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Amniotic membrane transplantation a useful procedure for restrictive strabismus cases
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SAN FRANCISCO — Amniotic membrane transplantation can be an effective option for treating patients with restrictive strabismus following periocular surgery, a clinician said here.
Francisco J. Conte, MD, speaking at Pediatric Subspecialty Day preceding the American Academy of Ophthalmology meeting, said that restriction of ocular motility following periocular surgery may be caused by a combination of at least three factors. Those factors are conjunctival scarring, periocular adhesions from scarring of the Tenon capsule, or fat adherence and contraction of the rectus muscle, he said.
While the classic approach for treating restrictive strabismus has been to remove the scar, Dr. Conte said amniotic membrane transplantation has emerged as a viable treatment. The procedure promotes epithelialization, suppresses inflammation and inhibits scarring and angiogenesis, he said.
"[Amniotic membrane transplantation] can replace missing or contracted conjunctiva and reconstruct a tissue barrier that separates orbital fat and adhesions from sclera," he said.