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Glaucoma Diagnosis and Management Flashcards

7 cards from real ABO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What did the LiGHT trial conclude about selective laser trabeculoplasty (SLT) as first-line therapy for open-angle glaucoma or ocular hypertension?

    Answer: SLT gave comparable quality of life, and most patients were drop-free at 3 years

    LiGHT showed that first-line SLT was cost-effective, with about 75% drop-free at 3 years and better IOP control.

  2. Which trial found that cataract (clear lens) extraction was more effective than laser peripheral iridotomy for primary angle closure with IOP ≥30 mmHg or PACG?

    Answer: EAGLE

    EAGLE showed better IOP control, quality of life, and cost-effectiveness with clear lens extraction than with LPI.

  3. What did the ZAP trial show about prophylactic laser iridotomy in Chinese primary angle closure suspects?

    Answer: Benefit was modest and the overall risk of progression was low, so routine widespread LPI was not supported

    ZAP found a low progression rate (about 1% per year in untreated eyes), so universal prophylactic LPI was not justified.

  4. In the Tube Versus Trabeculectomy (TVT) study of eyes with prior surgery, what was found at 5 years?

    Answer: The tube (Baerveldt 350) had a lower failure rate than trabeculectomy with MMC

    At 5 years, cumulative failure was about 30% for tubes vs 47% for trabeculectomy, with similar IOP.

  5. Which patient profile carries the highest risk of hypotony maculopathy after trabeculectomy with mitomycin C?

    Answer: Young myopic man

    Thin, compliant sclera in young myopic males lets the posterior wall fold at low IOP.

  6. Which bleb feature most increases the long-term risk of blebitis and bleb-related endophthalmitis?

    Answer: Thin, avascular bleb in an inferior location

    Inferior and thin avascular (especially MMC) blebs, and bleb leaks, carry the highest infection risk.

  7. During trabeculectomy, a patient with very high preoperative IOP suddenly has a shallow chamber, firm globe, loss of red reflex, and severe pain. What is the most likely complication?

    Answer: Suprachoroidal hemorrhage

    Acute pain, a firm eye, and a dark mass rising behind the iris point to suprachoroidal hemorrhage; close the wound immediately.