aphakia
weakness of eye closure
visual changes
eyelid trauma
ocular allergies
photophobia
computer vision syndrome
bifocal lens
vitreoretinal disorders
viral retinitis
uveitis rheumatoid arthritis
unexplained vision loss
unexplained tearing
stargardt macular degeneration
retinal vascular diseases
retinal laser photocoagulation
retinal and choroidal tumors
choroidal neovascularization
punctal stenosis
eyelid malposition
orbital inflammatory syndromes
optic nerve disease
ocular inflammatory diseases
nasolacrimal duct obstruction
lacrimal system trauma