Warehouse Shipping Clerk Capstone Logistics LLCWarehouse Shipping ClerkMoreno Valley, CAOur team fully embraces a high-performance culture, that inspires us to build strong relationships, challenge the status quo, work hard to deliver results, and pay it forward in our communities. About the Company: Capstone is a North American supply chain solutions partner with more than 650 operating locations, 19,000 associates, and 60,000 carriers.
Distribution Center Retail Associate Hot Topic IncDistribution Center Retail AssociateRiverside, CA$18–$18.50 / hour18.00 - $18.50 an hour Please note the pay range for this position starts as listed in the job posting, but other factors such as an individual's education, location, meeting the minimum job requirements for the role, training, and experience, will determine the final salary for potential new hires. Load and Unload Trailers: Unloading or loading trailers via pallet jacks, or other equipment provided by the DC, training will be provided.
Forklift Operator (Warehouse Field Distribution) Macpower Digital Assets Edge Private LimitedForklift Operator (Warehouse Field Distribution)Rialto, CA$20–$21 / hourMust be physically capable of performing assigned tasks, including significant walking, standing, bending, reaching, and safely lifting up to 50 lbs for extended periods. Conduct daily forklift inspections before operation, complete forklift inspection checklists, and report any needed repairs to management.
NewDistribution Unit Crewmember ECMDDistribution Unit CrewmemberRiverside, CaliforniaThe Crewmember is responsible for various jobs in the warehouse area such as driving a forklift/order picker, tug or other appropriate material handling equipment, receiving and shipping products and supplies, stocking parts, picking finished goods, packaging, stretch wrapping specific parts, delivering parts and supplies to the correct areas throughout the facility, preparing bills of lading, applying barcodes, and loading and unloading trucks. By leveraging technology and the team's passion for its customers, ECMD has built a strategic integrated portfolio of 8 operating divisions: EastCoast Mouldings, Klumb Forest Products, Crown Heritage Stairs, ECMD Distribution, Arndt & Herman Building Products, Clifton Moulding Co, Madison Lumber and Falls City Lumber.
Distribution Center Associate RHDistribution Center AssociateOntario, CAWe are moving the brand beyond curating and selling products to conceptualizing and selling spaces by building an ecosystem of products, places, services and spaces that elevates and establishes the RH brand as a global thought leader, taste and place maker. The RH brand attracts the best designers, artisans, manufacturers and talent in our industry, scaling and rendering their work more valuable across our integrated platform, enabling us to curate the most compelling collection of luxury home furnishings in the world.
Distribution Specialist SBM ManagementDistribution SpecialistLa Verne, CaliforniaThe Distribution Specialist will be responsible for warehouse oversight and supporting GMP Manufacturing and Cold Chain Distribution; including but not limited to: Material Handling activities, receiving, replenishment, retrieval, and delivery of work order materials to GMP Manufacturing, and multi-channel order fulfillment of all required materials and products. Support the Fulfilment and Distribution of Gilead’s clinical and commercial finished goods to global regions through pick, pack, and ship activities including packing shipments in appropriate containers, utilizing temperature monitors, preparing shipment documentation, and required labeling.
Warehouse Distribution Center Associate Genuine Parts CoWarehouse Distribution Center AssociateOntario, CALet us know you're interested in a future opportunity by joining our Talent Community on jobs.genpt.com or create an account to set up email alerts as new job postings become available that meet your interest! GPC's policy is to recruit, hire, train, promote, assign, transfer and terminate employees based on their own ability, achievement, experience and conduct and other legitimate business reasons.
Blood Product Storage and Distribution Technician American Red Cross Blood ServicesBlood Product Storage and Distribution TechnicianPomona, CAAmeriCorps, the federal agency that brings people together through service, and its partners - the Peace Corps, AmeriCorps Alums, National Peace Corps Association, and the Service Year Alliance - launched Employers of National Service to connect national service alumni with opportunities in the workforce. WHAT YOU NEED TO KNOW: As a Blood Product Distribution Technician you will use advanced computer systems and software for receiving, processing, packing and shipping blood products/samples for hospital orders.
NewWarehouse and Distribution, Operations Specialist Alcon IncWarehouse and Distribution, Operations SpecialistLake Forest, CAThis role is part of Alcon's Supply Chain function, a team that manages the logistics, inventory management, and supply chain analytics for Alcon's industry leading products to ensure products are delivered efficiently and effectively so that people can see brilliantly. The Warehouse and Distribution, Operations Specialist is responsible for ensuring timely and accurate processing of customer orders, maintaining high levels of customer satisfaction, and supporting supply chain operations.
Distribution Center - Operations Manager The Home Depot IncDistribution Center - Operations ManagerPerris, CAKey Responsibilities: 20% Managing to ensure operational excellence in all warehouse areas, efficient operations of warehouse management system(s) and related equipment, inventory is received appropriately and efficiently and safely processed in the warehouse, proper layout of warehouse and product placement, and proper maintenance and organization of all warehouse areas so that it's appearance is conducive to creating a perfect load for our Stores and Customers. The DC Operations Manager may be responsible for the supervision of one or more of the following: Inbound Operations (Unloading and Receiving), Warehouse Operations (Pick-Pack, Break-Pack), Outbound Operations (Loading), Transportation Operations (Yard, Carrier Relations) and/or Office Operations (e.g., Transportation Coordinators, Customer Service Associates, General Office Associates).
Distribution Center Retail Associate Hot Topic & BoxLunchDistribution Center Retail AssociateRiverside, CAAs a Distribution Center Associate for our Retail side, you'll play a key role in processing and shipping merchandise to keep our stores stocked and ready for our customers. Our Distribution Center is the heartbeat of the business—without it, our products wouldn’t reach the shelves of our stores.
Distribution Coordinator MKS IncDistribution CoordinatorIrvine, CA$16.70–$27.83 / hourSkills You Bring: Experience in shipping, receiving and stores, and reading, writing and basic arithmetic skills Completion of high school, vocational training or equivalent is preferred 2+ years of related experience Preferred Skills: Enthusiasm for working collaboratively in a team environment. Physical Demands and Working Conditions: Perform activities such as sitting, standing, or typing for extended periods of time Must be able to lift up to 50 lbs * Regularly requires good manual dexterity and coordination Compensation and Benefits: Hourly Pay Range: $16.70 - 27.83 USD Hourly.
NewWarehouse and Distribution, Operations Specialist Alcon ResearchWarehouse and Distribution, Operations SpecialistLake Forest, CaliforniaThis role is part of Alcon's Supply Chain function, a team that manages the logistics, inventory management, and supply chain analytics for Alcon's industry leading products to ensure products are delivered efficiently and effectively so that people can see brilliantly. The Warehouse and Distribution, Operations Specialist is responsible for ensuring timely and accurate processing of customer orders, maintaining high levels of customer satisfaction, and supporting supply chain operations.
Entry Writer for Distribution Center in San Bernardino ManpowerEntry Writer for Distribution Center in San BernardinoSan Bernardino, CA$22–$24 / hourFull timep> ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2022 ManpowerGroup was named one of the World's Most Ethical Companies for the 13th year - all confirming our position as the brand of choice for in-demand talent.
Operations Supervisor - Distribution DHL GroupOperations Supervisor - DistributionFontana, CA$62,500–$70,000 / yearWith over 500 facilities and more than 50,000 dedicated associates, DHL Supply Chain North America attributes its success to the hard work and dedication of our team, operating in over 150 million square feet of warehouse space. Foster an environment of open communication and collaboration, facilitating regular and effective dialogue among leadership and associates to promote transparency, alignment, and teamwork.
Sr Manager, Clinical Supply & Distribution City of HopeSr Manager, Clinical Supply & DistributionIrvine, CA$121,792–$203,394 / yearSeamlessly connected to our outpatient cancer center, the new clinical research hospital features 73 inpatient beds, advanced surgical suites, groundbreaking clinical trials, and holistic services such as rehabilitative therapy and spiritual care. The Senior Manager, Clinical Supply & Distribution, is responsible for leading and optimizing the Clinical Supply Chain & Distribution function to ensure efficient, cost-effective, and compliant operations.
Distribution Teammate - Equipment Operator Accendra Health IncDistribution Teammate - Equipment OperatorOntario, CAOwens & Minor is a global healthcare solutions company providing essential products, services and technology solutions that support care delivery in leading hospitals, health systems and research centers around the world. For over 140 years, Owens & Minor has delivered comfort and confidence behind the scenes, so healthcare stays at the forefront, helping to make each day better for the hospitals, healthcare partners, and communities we serve.
Distribution Center Receiving Lead | Lake Forest Albert Uster ImportsDistribution Center Receiving Lead | Lake ForestLake Forest, CaliforniaAlbert Uster Imports, Inc. (“AUI”) is a privately held gourmet food company headquartered in the Washington, DC area (Gaithersburg, MD) with warehouse locations in Kansas City, Las Vegas, Miami, Los Angeles, San Francisco, Gurnee and Gaithersburg. Ensure proper put-away, from dock inbound, of all inbound products once scanned and systemic posting is completed (Proper put-away is to include storing of product in the warehouse via FEFO).
Director Regional Sales - Industrial Distribution Generac Power Systems IncDirector Regional Sales - Industrial DistributionCorona, CA$150,000–$300,000 / yearWith an ongoing tradition of providing excellent products and outstanding service for our customers, Energy Systems is one of the longest existing Generac Industrial Distributors in the United States. In this role, you'll lead a team of high-performing sales professionals, drive growth across your territory, and build lasting relationships with our distribution partners and customers.
Security Distribution Director (Channel Sales) Luminys Systems CorporationSecurity Distribution Director (Channel Sales)Irvine, CaliforniaRemote$150,000–$170,000About Luminys Systems Corporation: Luminys empowers communities and customers with smart, connected technologies, providing advisory services that optimize operations and are cost-effective, while emphasizing ethics, trust, and delivering reliable products and exceptional service, creating more sustainable, safer ecosystems. The ideal candidate has deep experience in video surveillance (CCTV), access control systems, cloud-based security platforms, and Video Surveillance as a Service (VSaaS), along with a proven track record of building successful channel programs within the security distribution ecosystem.
Distribution Center Lead (69779) Tireco IncDistribution Center Lead (69779)Fontana, CAAs a Distribution Center Lead for Tireco Distributors, you will oversee the distribution center, work closely with management, customers, and team members. You will maintain a safe, clean, and organized environment, lead team members in daily assignments, and audit completed assignments to ensure accuracy.
NewDistribution Requirements Planner H.B. Fuller CoDistribution Requirements PlannerIrvine, CA$80,000–$100,000 / yearFounded in 1887, with 2024 revenue of $3.6 billion, our mission to Connect What Matters is brought to life by more than 7,500 global team members who collaborate with customers across more than 30 market segments in over 140 countries to develop highly specified solutions that enable customers to bring world-changing innovations to their end markets. The DRP Planner also coordinates domestic and international shipments, supports trade compliance, and collaborates with internal departments to maintain supply continuity.
Distribution Project Controls, Senior Advisor Southern California EdisonDistribution Project Controls, Senior AdvisorPomona, CARemote$161,700–$242,600 / yearSeven or more years of experience leading annual and long-term operational planning for O&M, Capital, and Department Overhead (DOH), including development and refinement of cost-per-unit methodologies that link financial actuals to operational performance insights. As a Senior Advisor, you will partner closely with Substation Leadership, Operational Finance, Resource Planning, and Subject Matter Experts to provide a clear and transparent view of the Distribution financial portfolio-from budgeting through forecasting.
Supervisor, Distribution McLane Co IncSupervisor, DistributionRiverside, CAMaintain a flexible work schedule to meet the changing needs of the Distribution Center; work schedules may require working an early shift, staying long for a late shift, and weekend work depending on the customer and operational requirements of the division. We look to the future and are ready to continue making industry-defining moves by embracing the newest technology into our practices, continuing team member training, and emphasizing our people-centered culture.
NewDistribution Center Operations Manager American Tire Distributors IncDistribution Center Operations ManagerRancho Cucamonga, CA$58,960–$90,000 / yearPhysical Demands/Work Environment/Travel Requirements: • Physical demands: While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use hands to finger, handle or feel objects, tools or controls; reach with hands and arms; climb stairs; balance, stoop, kneel, crouch or crawl; talk, hear, taste and/or smell; the employee must occasionally lift products weighing up to approximately 50 pounds. The DC Ops Manager collaborates closely with the General Manager to ensure the facility meets safety, compliance, quality, and delivery goals while coaching and developing their team.
NewElectric Transmission &/Or Distribution Project Management, Senior Manager - Charge Ready Program Southern California EdisonElectric Transmission &/Or Distribution Project Management, Senior Manager - Charge Ready ProgramPomona, CAAs a Electric Transmission &/Or Distribution Project Management, Senior Manager - Charge Ready Program, you will lead a team of managers, project managers, analysts, and project delivery professionals responsible for the safe, timely, cost-effective, and compliant execution of transportation electrification infrastructure projects. Builds strong and collaborative working relationships with peers from project sponsoring and peer organizations: Engineering, Asset Management, Technical Planning, Region personnel, Transmission, Permitting, Local Public Affairs, and others as needed.
Operations Manager - Upstream Distribution Center - Rialto, California Target CorpOperations Manager - Upstream Distribution Center - Rialto, CaliforniaRialto, CA$73,000–$132,000 / yearThere's so much good work to be done, from Distribution Center Operations, where process and problem solving drive our results, Quality Management, which influences and maintains our good name in the retail marketplace, or overall Distribution Center Productivity, where we're always analyzing and recalibrating how to best support our people, process and technology investments to support an ever evolving business. Whether it's through focusing on regional or upstream distribution centers, target.com fulfillment centers, or import warehouses, you'll have the chance to positively impact thousands of fellow team members and Target guests worldwide.
Operations Manager - Food Distribution Center - Rialto, California Target CorpOperations Manager - Food Distribution Center - Rialto, CaliforniaRialto, CA$73,000–$132,000 / yearThere's so much good work to be done, from Distribution Center Operations, where process and problem solving drive our results, Quality Management, which influences and maintains our good name in the retail marketplace, or overall Distribution Center Productivity, where we're always analyzing and recalibrating how to best support our people, process and technology investments to support an ever evolving business. Whether it's through focusing on regional or upstream distribution centers, target.com fulfillment centers, or import warehouses, you'll have the chance to positively impact thousands of fellow team members and Target guests worldwide.
Distribution Operations Supervisor Best BuyDistribution Operations SupervisorChino, CaliforniaResolves complex customer, system, and inventory-related issues as needed while proactively equipping employees with skills and tools necessary to address customer and operational challenges. The Distribution Operations Supervisor provides functional systems expertise and training to distribution center employees that leads to a safe, accurate, and productive environment.
Best Buy Distribution Area Manager - Ontario, CA Best Buy Co IncBest Buy Distribution Area Manager - Ontario, CAOntario, CACertain roles, where market norms demand it, are eligible for various forms of incentive pay to drive performance and offer recognition for achieving financial and strategic results. They oversee the receipt, storage and distribution of merchandise to Best Buy company stores, warehouses, home deliveries and shuttle deliveries.
Distribution Center Supervisor AutoZone IncDistribution Center SupervisorOntario, CAAs permitted by state or local law, AutoZone may consider certain offenses to be relevant to positions responsible for conducting or overseeing financial transactions on behalf of AutoZone, driving company vehicles and/or supervision of minors. This role is responsible for enhancing productivity, training high-performing employees, ensuring safety, and optimizing workflow efficiencies while aligning with AutoZone's strategic goals.
NewElectric Transmission &/Or Distribution Project Management, Senior Manager - Charge Ready Program Edison InternationalElectric Transmission &/Or Distribution Project Management, Senior Manager - Charge Ready ProgramPomona, CAAs a Electric Transmission &/Or Distribution Project Management, Senior Manager - Charge Ready Program, you will lead a team of managers, project managers, analysts, and project delivery professionals responsible for the safe, timely, cost-effective, and compliant execution of transportation electrification infrastructure projects. Builds strong and collaborative working relationships with peers from project sponsoring and peer organizations: Engineering, Asset Management, Technical Planning, Region personnel, Transmission, Permitting, Local Public Affairs, and others as needed.
Distribution Project Controls, Senior Advisor Edison InternationalDistribution Project Controls, Senior AdvisorPomona, CARemote$157,800–$236,700 / yearAs a Senior Advisor, you will partner closely with Substation Leadership, Operational Finance, Resource Planning, and Subject Matter Experts to provide a clear and transparent view of the Substation Construction & Maintenance financial portfolio-from budgeting through forecasting. By ensuring alignment between financial strategy and operational execution, you will drive transparency, affordability, and resilience across the organization, strengthening SCEs ability to deliver reliable energy and support Californias clean energy future.
Distribution Associate ManpowerDistribution AssociateRedlands, CAFull timeManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.
NewDistribution Center Manager O'Reilly Automotive IncDistribution Center ManagerMoreno Valley, CA$103,148–$154,722 / yearIf you require a reasonable accommodation during the application or employment process, please send an email to: rar@oreillyauto.com or call (800) 471-7431 option 1, and provide your requested accommodation, and position details. Responsible for the overall distribution center operations including customer service, asset management, financials, and team members.
Technical Project Manager, Service Distribution Tesla IncTechnical Project Manager, Service DistributionSan Bernardino, CA$87,120–$151,200 / yearThe specialist will collaborate with cross-functional teams to drive continuous improvement, manage documentation systems, and uphold quality compliance in a fast-paced, high-volume environment. The Change and Document Control Specialist is responsible for maintaining the Change and Document Control programs across Tesla's distribution centers within the supply chain.
Distribution/Vegetation Management Asset Strategy, Advisor Edison InternationalDistribution/Vegetation Management Asset Strategy, AdvisorPomona, CAAdditionally, this position will be key in working with peer organizations to translate the approved program strategies into SCE's regulatory filings, such as the General Rate Case (GRC), Wildfire Mitigation Plan (WMP), and Risk Assessment Mitigation Phase (RAMP). Participates in developing the long‐term vision and annual strategic plan for SCE by defining measurable targets for programs and initiatives that focus on opportunities in clean energy, electrification, grid of the future, and climate change.
Partner, Transmission & Distribution ERM International Group LtdPartner, Transmission & DistributionIrvine, CA$172,000–$236,000 / yearWho We Are: As the largest global pure play sustainability consultancy, we partner with the world's leading organizations, creating innovative solutions to sustainability challenges and unlocking commercial opportunities that meet the needs of today while preserving opportunity for future generations. Our diverse team of world-class experts supports clients across the breadth of their organizations to operationalize sustainability, underpinned by our deep technical expertise in addressing their environmental, health, safety, risk and social issues.
Distribution/Vegetation Management Asset Strategy, Advisor Southern California EdisonDistribution/Vegetation Management Asset Strategy, AdvisorPomona, CAAdditionally, this position will be key in working with peer organizations to translate the approved program strategies into SCE's regulatory filings, such as the General Rate Case (GRC), Wildfire Mitigation Plan (WMP), and Risk Assessment Mitigation Phase (RAMP). + Participates in developing the long‐term vision and annual strategic plan for SCE by defining measurable targets for programs and initiatives that focus on opportunities in clean energy, electrification, grid of the future, and climate change.
Security Guard - Distribution Center Allied UniversalSecurity Guard - Distribution CenterBloomington, CACompany Overview: Allied Universal, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. As a Security Guard, you will serve and safeguard clients in a range of industries such as Commercial Real Estate, Healthcare, Education, Government and more.
Operations Manager - Regional Distribution Center - Rialto, California Target CorpOperations Manager - Regional Distribution Center - Rialto, CaliforniaRialto, CA$73,000–$132,000 / yearThere's so much good work to be done, from Distribution Center Operations, where process and problem solving drive our results, Quality Management, which influences and maintains our good name in the retail marketplace, or overall Distribution Center Productivity, where we're always analyzing and recalibrating how to best support our people, process and technology investments to support an ever evolving business. Whether it's through focusing on regional or upstream distribution centers, target.com fulfillment centers, or import warehouses, you'll have the chance to positively impact thousands of fellow team members and Target guests worldwide.
Security Officer Distribution Flex Allied UniversalSecurity Officer Distribution FlexMoreno Valley, CAAs a Security Professional Flex Officer, you'll use our exclusive shift-pickup platform to view and claim open shifts based on your availability - giving you the freedom to build a schedule that works for you, while gaining valuable site experience across various industries. Company Overview: Allied Universal, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose.
Partner, Power Sector, Transmission & Distribution ERM International Group LtdPartner, Power Sector, Transmission & DistributionCA$175,000–$220,000 / yearERM is looking for a Partner, Power Sector, Transmission & Distribution to help shape the future of energy by leading siting, permitting, and construction efforts for critical electric transmission projects across the U.S. This is more than a job-its a chance to own a stake in a global consulting firm, influence strategic direction, and drive transformational change in the power sector. Who We Are: As the largest global pure play sustainability consultancy, we partner with the worlds leading organizations, creating innovative solutions to sustainability challenges and unlocking commercial opportunities that meet the needs of today while preserving opportunity for future generations.
Distribution Center Loader Genuine Parts CoDistribution Center LoaderOntario, CAPosition operates in a warehouse setting with continuous exposure to industrial noise (e.g., forklifts, conveyors, machinery, and loading activities), bright overhead lighting, and varying temperatures due to limited climate control. Ensures correct parts are placed on the correct truck - packs the right parts for delivery to the right customers with accuracy and speed, maps out the organization of loading customer orders from skids to trucks.
Warehouse Associate Shipping - 3rd Shift Keystone Automotive OperationsWarehouse Associate Shipping - 3rd ShiftEastvale, CaliforniaAs a Warehouse Associate at Keystone Automotive Operations (KAO) , you’ll help pick, organize, and prepare auto parts orders for shipment—keeping our supply chain running strong. As a Warehouse Associate, you will play a vital role in the daily operations of our distribution center: Product Handling: Accurately pull, scan, package, and stage orders for delivery.
Warehouse Manager $90-$95K Ultimate Staffing ServicesWarehouse Manager $90-$95KRancho Cucamonga, California$95,000We are seeking a hands‑on Warehouse Manager with strong distribution, warehouse, and shipping experience to lead daily operations in a fast‑paced environment. This role supervises approximately 20 employees, supported by 3 supervisors and 4 leads, and requires active involvement on the warehouse floor.
Shipping & Receiving Warehouse Associate | 1st Shift R.J. Schinner Co., Inc.Shipping & Receiving Warehouse Associate | 1st ShiftNorco, CAHeadquartered in Menomonee Falls, WI, we're proud to be recognized as one of Deloitte's Wisconsin 75 most successful private companies and recognized by BizTimes' Future 50 Program as one of the fastest-growing privately-owned companies in southeastern Wisconsin. Today, we're proud to have 20 distribution centers across the U.S. and a team of 600+ amazing people, all working together to keep distributors in 48 states stocked with the essentials - from paper goods and foodservice packaging to cleaning supplies.
Warehouse Worker - Shipping LKQWarehouse Worker - ShippingEastvale, CaliforniaAs a Warehouse Associate at Keystone Automotive Operations (KAO) , you’ll help pick, organize, and prepare auto parts orders for shipment—keeping our supply chain running strong. As a Warehouse Associate, you will play a vital role in the daily operations of our distribution center: Product Handling: Accurately pull, scan, package, and stage orders for delivery.
Warehouse Associate | Urgently Hiring!| 838571 HelpmatesWarehouse Associate | Urgently Hiring!| 838571Irvine, CAYou'll work closely with the warehouse team to perform receiving, shipping, inventory control, and material handling tasks that keep our operations running seamlessly. As a Warehouse Associate, you will be responsible for: Processing incoming receipts of raw materials, components, and non-production items.
Shipping Lead - International & Domestic Logistics MW Industries, Inc.Shipping Lead - International & Domestic LogisticsCorona, CAThe employee is frequently required to walk; reach with hands/arms; lift and/or lower; push and/or pull; and use hands to finger, handle, feel and/or finely manipulate objects. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus.