Cataracts are the leading cause of blindness worldwide, accounting for approximately 50% of all cases.

Age-related macular degeneration is the leading cause of irreversible blindness in the United States, affecting approximately 11 million people.

Increased intraocular pressure is the primary risk factor for developing glaucoma, which is a leading cause of blindness worldwide.

Diabetic retinopathy is a leading cause of vision loss in people with diabetes, affecting approximately 40% of individuals with the condition.

Vitamin A deficiency is the most common cause of blindness in children under the age of 5, particularly in developing countries.

Glaucoma is associated with an increased risk of stroke, particularly in individuals with uncontrolled intraocular pressure.

Uncorrected refractive errors, such as nearsightedness, farsightedness, and astigmatism, are the leading cause of preventable blindness worldwide.

Age-related macular degeneration is associated with an increased risk of developing Alzheimer's disease, particularly in individuals with advanced stages of the condition.

Retinal detachment is the most common cause of sudden vision loss in one eye, occurring when the retina separates from the underlying choroid.

Diabetic retinopathy is characterized by the growth of abnormal blood vessels in the retina, which can lead to vision loss if left untreated.

Age over 60 is the primary risk factor for developing cataracts, with the risk increasing significantly after the age of 75.

Myopia, or nearsightedness, is associated with an increased risk of developing glaucoma, particularly in individuals with high degrees of myopia.

Age-related macular degeneration is the most common cause of blindness in people over the age of 80, affecting approximately 11 million individuals in the United States.

Cataracts are characterized by the formation of a cloudy area in the lens of the eye, which can lead to blurred vision, glare, and eventually blindness if left untreated.

Cytomegalovirus retinitis is the leading cause of blindness in people with HIV/AIDS, affecting approximately 30% of individuals with advanced stages of the disease.