Table 2. Previous ocular surgeries.

Surgerya	No. of eyes (%)
Filtering glaucoma surgery	124 (100)
Combined trabeculotomy and trabeculectomy without MMC	57 (46.0)
Trabeculectomy without MMC	51 (41.1)
Trabeculectomy with MMC	16 (12.9)
Cataract extraction	89 (71.8)
Cataract extraction only
Congenital cataract	29 (23.4)
Traumatic cataract	10 (8.0)
Cataract extraction and intraocular lens implantation
Congenital cataract	26 (21.0)
Traumatic cataract	15 (12.1)
Senile cataract	9 (7.3)

^aSome patients had more than one previous operation.