Which of the following is NOT a major threat to vision that can be caused by anterior uveitis?

• A. Cystoid Macular Edema
• B. Retinal Detachment
• C. PSC Cataract Formation
• D. Synechiae

Answer: (B)

Anterior uveitis mainly threatens vision through inflammation of the front part of the eye that can spill over to the posterior segment in ways that blur vision. The most common and impactful complications are cystoid macular edema, which directly affects the central retina and vision; posterior synechiae or iris adhesions that can lead to irregular pupil function or glaucoma; and cataract formation, especially a posterior subcapsular type from chronic inflammation or steroid use. Retinal detachment, however, is a problem of the retina itself in the posterior segment and is not a typical or major consequence of anterior uveitis. While rare cases of posterior involvement or secondary inflammatory processes can lead to RD, it is not considered a major threat caused by anterior uveitis. Therefore retinal detachment is the correct choice as not being a major vision-threatening consequence of anterior uveitis.