Search PubMed⌕ Search

Biomedical subjects

K J Blinder

Publications and source records attributed to K J Blinder.

28 records · Page 2Linked to original sources
PubMed1991

Neonatal macular hemorrhage.

Retinal hemorrhages occur with increased frequency in neonates following prolonged or difficult labor, especially if associated with primipara, surgical or mechanical intervention, low Apgar scores, perinatal hypoxia, low birth weight or coagulopathy. When involvement occurs peripheral to the arcades resolution occurs generally without sequelae. Hemorrhages involving the macula are much more serious since resolution in these cases may result in degenerative changes or an exudative or glial scar, resulting in amblyopia and possible strabismus. Early examination is warranted in high-risk infants in order to facilitate intervention and the prevention of more serious visual sequelae.

Adult↗
PubMed1991

Submacular scar excision in age-related macular degeneration.

Disciform scars secondary to age-related macular degeneration were surgically removed in three patients. Postoperative visual acuity improved minimally in one case and decreased in the other two cases. The results suggest further investigation is needed with possible modifications of our technique for future studies.

Age Factors↗
PubMed1991

Surgical technique for managing rhegmatogenous retinal detachment following prosthokeratoplasty.

The authors report the successful repair of a retinal detachment following Cardona prosthokeratoplasty. The surgical technique included pars plana vitrectomy, endolaser photocoagulation, peripheral cryopexy, scleral buckling, and the use of a liquid perfluorocarbon derivative, perfluorophenanthrene, to achieve and maintain reattachment. Perfluorophenanthrene was removed 3 weeks postoperatively. Postoperative visual acuity stabilized at functional levels. No ocular complications, adverse reactions, or redetachment were observed.

Adolescent↗
PubMed1991

Vitreon, a new perfluorocarbon.

We evaluated a new liquid perfluorocarbon, perfluorophenanthrene (Vitreon). This material has proven to be non-toxic in vitrectomised rabbit eyes for up to six weeks. Present investigation under FDA guidelines establishes both the safety and efficacy of Vitreon in human eyes. We used Vitreon for intraoperative hydrokinetic retinal manipulation in 15 patients. In cases of proliferative vitreoretinopathy (6), rhegmatogenous retinal detachment (5), giant retinal tear (2), retinal dialysis (1), and tractional retinal detachment (1) the retina was successfully reattached. Postoperatively two patients developed proliferative vitreoretinopathy necessitating further surgery, and one patient developed hypotony. Follow-up showed 100% reattachment rate with a mean duration of 6.3 months. Postoperative visual acuity ranges from light perception to 20/30.

Adult↗
PubMed1991

Tissue plasminogen activating factor assisted removal of subretinal hemorrhage.

We used tissue plasminogen activator (tPA) to aid in the surgical evacuation of subretinal hemorrhages. Subretinal hemorrhage secondary to a ruptured retinal macroaneurysm was treated in two patients. The surgical technique involved using a micropipette to fashion a small retinotomy through which tPA was injected into the subretinal space and through which the dissolved clot was removed. Visual acuity improved from counts fingers to 20/50 in one patient and from counts fingers to 20/70 in the other. Three additional patients, with massive subretinal hemorrhages secondary to age-related macular degeneration, were similarly treated. In one, visual acuity improved from counts fingers to 20/400; in two others, visual acuity was stabilized; in the first patient, at 20/300, and in the second patient at 20/400. The use of tPA minimizes surgical manipulation of the sensory retina and greatly reduces the size of the retinotomy required for evacuation of subretinal blood.

Aged↗
PubMed1991

A technique for retinal pigment epithelium transplantation for age-related macular degeneration secondary to extensive subfoveal scarring.

We describe the surgical excision of submacular scar in end-stage age-related macular degeneration and transplantation of autologous and homologous retinal pigment epithelial (RPE) cells. The technique involves the preparation of a large retinal flap encompassing the macula and the arcades, removal of the submacular scar, and replacement of the RPE cells, using either an autologous pedicle graft or homologous RPE cells and Bruch's membrane. Fourteen months following the procedure, visual acuity in a patient with a pedicle graft had improved from counts fingers to 20/400 and the patient fixated over the transplanted RPE cells. After 10 months, a homologous graft in a second patient had become encapsulated with a fine subretinal membrane without neovascular tissue; visual acuity had not improved. No intraoperative or postoperative complications resulting from the surgery occurred in either patient.

Aged↗
PubMed1990

A new macula lens.

Explore the source record for details and available documents.

Equipment Design↗
PubMed1989

Optociliary veins and visual prognosis after central retinal vein occlusion.

The effect of acquired optociliary veins on visual acuity after ischemic central retinal vein occlusion in patients 45 years of age or older was assessed retrospectively. Fundus photographs and medical records of 21 patients, 45 years of age or older, with photographically documented central retinal vein occlusion and at least six-months follow-up were analyzed. Eleven of 21 patients developed acquired optociliary veins. Patients with acquired optociliary veins were more likely to experience stable or improved visual acuity (nine of 11 patients) than were patients without them (four of ten patients) over a mean follow-up period of 30 months (P = .049).

Age Factors↗