RESUMO
We reviewed the early results of 80 filtration procedures when used as the initial surgical treatment in a Saint Lucian West Indian black population with primary open angle glaucoma. Two techniques were used: trabeculectomy under a scleral flap with fornix-based conjunctival flap (Group 1) and full thickness posterior lip sclerectomy with limbal-based conjunctival flap (Group 2). Postoperatively, with an average follow-up of six months, Group 2 had significantly lower intraocular pressures, reduced glaucoma medication requirements, and increased cystic bleb formation. Vision did not differ significantly between the two groups postoperatively, although two Group 1 patients developed progressive glaucomatous visual loss. Complications were slightly more frequent in Group 2. The results of this study suggest that a full thickness sclerectomy technique merits consideration as the initial filtration procedure of choice in West Indian blacks with advanced open angle glaucoma.
Assuntos
População Negra , Glaucoma de Ângulo Aberto/cirurgia , Adolescente , Adulto , Idoso , Feminino , Glaucoma de Ângulo Aberto/genética , Humanos , Pressão Intraocular , Masculino , Pessoa de Meia-Idade , Complicações Pós-Operatórias , Prognóstico , Esclera/cirurgia , Malha Trabecular/cirurgia , Índias OcidentaisRESUMO
We reviewed the early results of 80 filtration procedures when used as the initial surgical treatment in a Saint Lucian West Indian black population with primary open angle glaucoma. Two techniques were used: trabeculectomy under a scleral flap with fornix-based conjunctival flap (Group 1) and full thickness posterior lip sclerectomy with limbal-based conjunctival flap (Group 2). Postoperatively, with an average follow-up of six months, Group 2 had significantly lower intraocular pressures, reduced glaucoma medication requirements, and increased cystic pleb formation. Vision did not differ significantly between the two groups postoperatively, although two Group 1 patients developed progressive glaucomaous visual loss. Complications were slightly more frequent in Group 2. The results of this study suggest that a full thickness sclerectomy technique merits consideration as the initial filtration procedure of choice in West Indian blacks with advanced open angle glaucoma.(AU)
Assuntos
Humanos , Adolescente , Adulto , Pessoa de Meia-Idade , Idoso , Masculino , Feminino , Glaucoma de Ângulo Aberto/cirurgia , Glaucoma de Ângulo Aberto , Pressão Intraocular , Complicações Pós-Operatórias , Prognóstico , Esclera/cirurgia , Malha Trabecular/cirurgiaRESUMO
We studied the way in which the shape of a missile striking the eye affects the ease of penetration of the central cornea. The test objects were enucleated pigs' eyes restored to normal intraocular pressure by cannulation of the optic nerve and connection of the cannula to a manometric system of physiologic saline. The shape, size, and weight of the missiles were carefully controlled. We attempted to keep these factors within the range of common civilian experience. Missile speed was measured photoelectrically. For each combination of weight and velocity, penetration of the missile was determined consistently, by the point shape. Penetration was most difficult for the blunt tip and least difficult for the knife-shaped tip.
