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J Pediatr Ophthalmol Strabismus. 1998 Jul-Aug;35(4):198-202.

Long-term results of trabeculectomy for congenital glaucoma.

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Institution Service d'Ophtalmologie, Hôpital Necker-Enfants Malades, Université René Descartes, Paris, France.



To evaluate long-term results of intraocular pressure after trabeculectomy for congenital glaucoma.


Data concerning 55 eyes (30 patients) who underwent trabeculectomy for congenital glaucoma were recorded. Mean age at diagnosis was 3.4 months (range: 2 days to 10 months). Mean follow up was 56.8 months. Associated anterior segment abnormalities, need for one or more new trabeculectomy procedures during follow up, and intraocular pressure at the last examination were noted.


Of the 55 eyes, 48 met the success criteria (87.3%). A second and sometimes third or fourth trabeculectomy were necessary during follow up in 17 eyes (31%). Of the seven failures at final examination, six (85%) had been diagnosed and operated on before the age of 1 month, whereas 15 of the 48 eyes with good results (31.2%) were in this group (p < 0.02). Of the seven failures at final examination, six (85%) were operated on two to four times, whereas 10 of the 48 eyes with good results (20.1%) were in this group (p < 0.01). An associated anterior segment abnormality was present in 13 eyes (23%), and did not seem to influence the final outcome.


Trabeculectomy is an effective procedure for long-term control of intraocular pressure in congenital glaucoma. The early diagnosis and surgical treatment correspond to a poor long-term prognosis, probably related to initially severe cases. In these cases, intraocular pressure is difficult to control despite repeated surgical procedures.

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