Cataract and glaucoma management and differences

Cataracts and glaucoma are distinct eye conditions requiring different treatment approaches. Cataracts involve the clouding of the lens, which can cause varying symptoms such as glare, light sensitivity, or difficulty with near tasks like reading, depending on where the clouding occurs in the lens. While there are no medications to reverse lens clouding, surgery to replace the cloudy lens with an artificial one is the fundamental treatment. The timing of surgery is determined by how much the condition affects daily life rather than visual acuity alone.

In contrast, glaucoma focuses on managing intraocular pressure to slow or stop optic nerve damage. Treatment includes pressure-lowering medications, laser therapy, or surgery. Because glaucoma is a chronic condition, regular monitoring through OCT imaging and visual field tests is essential.

When both conditions coexist, cataract surgery is often possible, though it cannot restore vision already lost to glaucoma. In certain types of glaucoma, such as angle-closure disease, cataract surgery may actually assist in intraocular pressure control by deepening the anterior chamber. Experts recommend regular eye exams starting at age 40, especially for those with high intraocular pressure, family history, or high myopia.