eye exam equipment

abstract black care check common complex device diopter direct doctor doctors equipment exam examination eye eyecare eyeglass eyeglasses eyesight glasses health healthcare horizontal instrument insurance long measure medical monochromatic monochrome monotint near nobody ocular office ophthalmologist ophthalmology ophthalmoscope optician optometrist optometry phoropter phoroptor physician refraction retina retinoscope sepia sight sighted site test vision visual white