This bibliographic review work is pointed to the effects of altitude hypoxia on sight. It intends to contribute for the identification of signs and symptoms of hypoxia during high altitude exposition. The understanding of the terrestrial atmosphere and the laws of physics related to gas behavior under atmospheric pressure variation are very important for the correct diagnosis of the dysbarisms, hypoxia, decompression disease and others, by the aerospace health professionals. The atmospheric environment that pilots are exposed is able to […]

Corneal transplant rejection is an immunological cellular process that attacks the donor cornea and may cause its failure. It is the most common cause of corneal transplant failure.The most common factors for rejection are corneal neovascularization, previous graft failure, anterior synechiae, large or descentered graft, intraocular inflammation and previous anterior segment surgeries. It commonly presents with hyperemia, ocular pain, corneal edema, and anterior chamber inflammation. Corneal graft rejection can be classified as epithelial rejection, subepithelial rejection, stromal rejection, endothelial rejection, […]

OBJECTIVE: During the last years amniotic membrane (AM) autograft has been frequently used for reconstruction of the ocular surface in many diseases. This study intends to analyze the major indications for AM as well the results of this procedure. METHODS: Data of 107 patients who had done AM autograft surgery were retrospectively analised regarding the indications and postoperatory follow-up. RESULTS: The indications for AM autograft was ptherygium 33.64% (n=36), persistent epithelial defect 29.90% (n=32), simblepharum 18.69% (n=20), chemical injury 6.54%(n=7), […]

OBJECTIVE: To compare obtained data about cornea donation through a questionnaire applied before and after the realization of an expositive lecture given to health professionals. To identify these professional’s knowledge about basic cornea transplant information. To verify their personal reaction towards the procedure. METHODS: A campain was performed using specific audio-visual classes about the cornea transplant’s and donation process. These lectures were directed to 115 health professionals: 46 doctors and 69 medical students. For the evaluation a test was created […]

OBJECTIVE: To verify the Quality of life for the Proliferative Diabetic Retinopathy (PDR) patients. These subjects have a higher risk for severe visual loss, due to the vascular retina complications. METHODS: We evaluated the Quality of Life of 61 PDR patients, over 18 years old, who have been followed up in the Ophthalmology Clinic of the Clinical Hospital of Medicine School of São Paulo, Brazil. All patients data were obtained using a questionnaire of health quality of life “WHOQOL Bref […]

OBJETIVO: Observar a eficácia da fluoresceína sódica intravenosa, na visibilidade do vítreo, durante a cirurgia de vitrectomia nos pacientes com retinopatia diabética. MÉTODOS: Quatorze casos consecutivos de cirurgia vitreorretiniana para hemorragia vítrea e descolamento tracional da retina secundário à retinopatia diabética, foram submetidos à injeção de fluoresceína intravenosa a 20%, 1 hora antes da cirurgia.As imagens de todos os passos das cirurgias foram gravadas. RESULTADOS: A fluoresceína corou de verde o vítreo periférico, base vítrea, hialóide posterior melhorando a visibilidade […]

OBJECTIVE: To observe the effectiveness of intravenous sodium fluorescein visibility in the vitreous during vitrectomy surgery in patients with diabetic retinopathy. METHODS: Fourteen consecutive cases of vitreoretinal surgery for vitreous hemorrhage and tractional retinal detachment secondary to diabetic retinopathy underwent intravenous injection of sodium fluorescein to 20% 1 hour before the surgery. The images of the steps of the surgeries were recorded. RESULTS: The sodium fluorescein stained green from the vitreous peripheral, vitreous base, posterior hyaloid, further improving visibility to […]