Pre-trabeculectomy

At time of surgery

Visual acuity (LogMAR)

†0.81 ± 0.76

‡1.15 ± 1.09

Cup/Disc ratio

0.70 ± 0.20

0.71 ± 0.19

Intraocular pressure

30.79 ± 8.48 (range 17 to 56)

28.08 ± 7.00 (range 12 to 46)

†Corresponds to mean visual acuity of approximately 6/36 on Snellen chart and ‡ 6/60 respectively Data is presented as Mean and Standard Deviation (±)
Table 4: Comparison of clinical characteristics of operative eyes.