- senile yellowing
- y axis error
- y axis frame adjustment in eyewear
- y axis prism amount
- y chromosome linked disease
- y filter
- y frame adjustment in eyewear
- y frame in eyewear
- y frame mount in eyewear
- y hinge in eyewear
- y pattern esodeviation
- y pattern esotropia
- y pattern exotropia
- y pattern strabismus
- y prism orientation
- y separation
- y suture
- y suture lens
- y temple in eyewear
- y wire frame in eyewear
- y wound closure
- yag (neodymium:yag) laser
- yag iridoplasty
- YAG laser capsulotomy
- yag laser focus
- yag laser lysis
- yag photodisruption
- yag vitreolysis
- yankauer suction tip
- y-axis prism
- yeast keratitis
- yellow absorbing lens in eyewear
- yellow band lens
- yellow chromatic filter
- yellow contrast lens in eyewear
- yellow eyes scleral icterus
- yellow fever retinopathy
- yellow filter effect
- yellow filter in eyewear
- yellow green zone
- yellow haze
- yellow lens in eyewear
- yellow light 570 nm
- yellow light therapy
- yellow macular degeneration
- yellow ocular discharge
- yellow ophthalmoscope filter
- yellow reflectometer
- yellow spot dystrophy
- yellow spot hemorrhage
- yellow tint
- yellow tinted eyewear
- yellow vision
- yellow vision xanthopsia
- yellowing of the lens
- yellowish cornea
- yield visual test
- yoke eye muscles
- yoked diplopia
- yoked eye movement
- yoked prism
- yolk sac tumor ocular
- young age astigmatism
- young age hyperopia
- young aging eye
- young fit lenses youth fit frames in eyewear
- young patient myopia
- young patient retinal break
- young-helmholtz filter
- young's light
- Young's modulus
- young's modulus (elasticity)
- youth onset glaucoma
- y-pattern exodeviation
- y-retinal break
- y-stop in eyewear
- y-suture cataract
- ytterbium
- ytterbium laser system
- yttrium
- yttrium aluminum garnet yag
- yttrium oxide
- yttrium stabilized zirconia in eyewear