Conditions Amblyopia (Lazy Eye) Commonly called âlazy eye,â amblyopia can be treated successfully if detected early enough in childhood. Astigmatism Often mistakenly called âstigmatism,â this common vision problem can be corrected with eyeglasses, contact lenses or refractive surgery. Blepharitis Red, swollen eyelids and crusty debris at the base of your eyelashes are signs you may have blepharitis. Cataracts Cataracts are a common cause of vision loss after age 55. Surgical correction is safe and effective, and offers several new options for better vision. Diabetic Retinopathy If undetected or uncontrolled with medication, diabetes can cause serious vision loss, even blindness. Eye Allergies Are you bothered by red, itchy eyes? You may have allergies. Floaters and Flashes âFloatersâ are usually normal and harmless. But if you notice a sudden increase in floaters or floaters accompanied by flashes of light, see your eye doctor immediately. Hyperopia Also called farsightedness, hyperopia is a common vision problem that can cause headaches, eyestrain and trouble reading. Keratoconus This eye disease causes the cornea to grow thinner and bulge forward in an irregular cone-shape. Treatment options range from gas permeable contact lenses to a cornea transplant. Macular Degeneration This age-related problem is the leading cause of vision loss and blindness in Americans age 65 and older. Myopia Also called nearsightedness, myopia is a very common vision problem, affecting up to one-third of the U.S. population. Pink Eye (Conjunctivitis) This acute and contagious form of conjunctivitis is particularly common among preschoolers and school-age children. Ptosis Ptosis is a drooping eyelid. Surgery is usually required to correct this problem. Retinal Detachment A detached retina is a medical emergency. Learn the warning signs of a retinal detachment and what you can do to avoid permanent vision loss. Styes This common problem is simply an infected lid gland. Learn how to prevent and treat styes. Uveitis This inflammatory eye disease can cause permanent vision loss if not promptly treated.