Japanese journal of ophthalmology · 2005
High resolution ultrasonography in eyes with angle-closure glaucoma associated with the cicatricial stage of retinopathy of prematurity.
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Suzuki Atsuko, Kondo Nagako, Terasaki Hiroko
Аннотация
BACKGROUND: Angle-closure glaucoma in children at the cicatricial stage of retinopathy of prematurity (ROP) has been thought to be caused by the anterior displacement of the lens-iris diaphragm resulting from contraction of a retrolental fibrous membrane. Other possible mechanisms include pupillary block and ciliary block.
CASES: Three patients (three eyes) at the cicatricial stage of ROP with angle-closure glaucoma were examined by high-resolution ultrasonography before and after peripheral iridectomy.
OBSERVATIONS: High-resolution ultrasonography preoperatively showed that the angle was closed. A retrolental fibrous membrane was attached behind the lens. After the iridectomy, ultrasonography showed an open angle, and the intraocular pressure was normal.
CONCLUSIONS: The angle closure in our three patients was caused mainly by a pupillary block and could be treated by peripheral iridectomy.
CASES: Three patients (three eyes) at the cicatricial stage of ROP with angle-closure glaucoma were examined by high-resolution ultrasonography before and after peripheral iridectomy.
OBSERVATIONS: High-resolution ultrasonography preoperatively showed that the angle was closed. A retrolental fibrous membrane was attached behind the lens. After the iridectomy, ultrasonography showed an open angle, and the intraocular pressure was normal.
CONCLUSIONS: The angle closure in our three patients was caused mainly by a pupillary block and could be treated by peripheral iridectomy.