eyeglasses collage

acuity astigmatism bifocal black blackandwhite chart collage concept conceptual corrective crystal distance eye eyestrain farsightedness fashion frame glasses horn lenses letters longsightedness medicine mosaic myopia myopic nearsightedness oculist ophthalmologist ophthalmology optical optics optotypes read reading retro see seniors short shortsightedness shortness sight snellen spectacles square trend trendy vision visual white