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Biomedical subjects

E E Boldrey

Publications and source records attributed to E E Boldrey.

8 recordsLinked to original sources

Foveal ablation for subfoveal choroidal neovascularization.

Untreated subfoveal choroidal neovascularization (SFCN) often progresses to destroy much central visual function. In this study, laser photocoagulation which included the entire foveal avascular zone was applied to SFCN in the second eye of 13 consecutive patients. Each patient had untreated SFCN in their first eye with visual acuity less than or equal to 20/400. Each second eye had SFCN of recent onset which was less than or equal to 1 disc diameter (DD) in size and visual acuity less than or equal to 20/200. In 10 of 13 (76.9%) treated eyes, SFCN was eliminated for 3 to 30 months. These eyes all retained strikingly better visual fields (Amsler or automated) than their fellow untreated eyes, markedly better subjective vision, and Snellen visual acuities of 20/70 to 20/400. Foveal photocoagulation may be useful in selected cases of SFCN with small neovascular nets and poor visual acuity.

Aged

The histopathology of familial exudative vitreoretinopathy. A report of two cases.

Two eyes were enucleated for angle-closure associated with familial exudative vitreoretinopathy. Characteristic features included total retinal detachment, peripheral retinal vascular proliferation, and a fibrovascular preretinal membrane. Angle-closure glaucoma developed in one case when sudden massive subretinal hemorrhage, associated with abnormal intraretinal vessels, produced anterior displacement of the lens-iris diaphragm; in the second case, angle-closure was associated with the development of rubeosis iridis. Intraretinal inflammatory cells and exudates were also seen in the enucleated eyes.

Adult

Early vitrectomy for retained intraocular foreign body.

A retained intraocular foreign body can cause progressive damage to an eye if not removed. Such removal, whether done with a magnet or with a vitrectomy instrument, is often more successful if surgery is not delayed excessively. A two-instrument intraocular approach for resistant foreign bodies can sometimes be avoided in favor of a simpler one-instrument technique if surgery can be performed in the first few weeks.

Adult

A modified vitreous scissors.

A new vitreous scissor combines an immobile shaft and hook with a sliding cutting blade; the blade is angled to trap the vitreous band while it is being cut. A tweezer-action handle is used. This scissors cuts dense membranes while producing only minimal traction on the retina.

Animals

Fundus photography without a fundus camera.

A camera for fundus photography can be assembled from a standard indirect ophthalmoscope, a single-lens reflex camera, and a modest amount of easily available additional equipment. This camera can be used to record moderate detail of the posterior portion of the fundus and optic nerve head and can be used in an office, a hospital room, or an operating room.

Fundus Oculi

Ultrasonic transmission holography of the eye.

Ocular ultrasonic transmission holography of the eye using equipment capable of real-time imaging has not previously been described. A method using pulsed ultrasound focused on an air/liquid interface is used to demonstate normal ocular structures including lens, optic nerve, and sclera. Intraocular foreign bodies imaged include radiopaque and nonradiopaque materials. A limit of resolution of at lease 1 mm. is demonstrated.

Eye Foreign Bodies