Panning on a close-up of a pair of eyeglasses placed on top of a table

eyeglasses lens eyewear optometrist bifocals myopia vision eye care sight glasses opthalmologists lenses corrective lenses eye protection correct vision spectacles specs frame eyepiece opticalopthalmic presbyopia astigmatism laser eyesight pair of glasses prescription glasses progressive lenses reading glasses prism multifocal high index lenses single vision aspheric polycarbonate toefl compressed photochromatic nearsightedness far sightedness convex