The Ophthalmology Unit,  Universiti Malaysia Sarawak (UNIMAS), Kuching, Sarawak.
	The Ophthalmology Department, Sarawak General Hospital, Kuching, Sarawak, East Malaysia.

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Congenital glaucoma with Ahmed tube

Photo by Dr. Mahadhir Alhady

A 50 year-old woman with bilateral congenital glaucoma underwent right Ahmed tube drainage to control the intraocular pressure. Examination showed Haab's striae and previous trabeculectomies in both eyes. The left eye also had had cataract surgery with intraocular lens implants. However, the right intraocular pressures was high at 30mmHg despite three different eyedrops (latanoprost, trusopt and timolol).

Ahmed tube in the right eye. A horizontal Haab striae can be seen.

A piece of human pericardium is sutured to the sclera at the limbus to keep the Ahmed tube

in place.

Left pseudophakia with horizontal Haab striae.

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