These include conducting visual acuity testing, visual field testing, lensometry, auto refractometry, refractometry, pupil assessment, extraocular motility, gross external examination, applanation tonometry, tonopen, eye drop instillation, diagnostic testing and participating in patient care within a clinical setting. OCB ophthalmologists use the most advanced diagnostic, laser and surgical techniques available, and their level of care has earned Ophthalmic Consultants of Boston a national and international reputation for excellence.