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Biomedical subjects

S Arshinoff

Publications and source records attributed to S Arshinoff.

6 recordsLinked to original sources
PubMed1995

Corneal subepithelial infiltrates following excimer laser photorefractive keratectomy.

Corneal subepithelial opacification associated with pain, photophobia, and injection has been reported in the first to third day following photorefractive keratectomy (PRK). Regardless of treatment, the resolution has generally left the patient with permanent corneal scarring and a one to two line reduction in visual acuity. We surveyed 50 PRK surgeons and received responses from 17 on 30 cases of this complication, which occurs in approximately one in 300 cases. The etiology is unknown. Cases were first reported when nonsteroidal anti-inflammatory drugs, with or without occlusive contact lens, were substituted for conventional bandage occlusion in the postoperative protocol for PRK.

Anti-Inflammatory Agents, Non-Steroidal↗
PubMed1994

Use of topical nonsteroidal anti-inflammatory drugs in excimer laser photorefractive keratectomy.

Nonsteroidal anti-inflammatory drugs (NSAIDs) produce potent analgesic, antipyretic, and anti-inflammatory effects. We studied postoperative pain in 97 consecutive patients having photorefractive keratectomy (PRK) by an excimer laser with different topical NSAID protocols. Treatment with topical homatropine hydrobromide, either diclofenac sodium (Voltaren Ophthalmic) or ketorolac tromethamine (Acular), and a soft contact lens was most effective in achieving post-PRK analgesia. We also studied post-PRK myopic regression in 68 consecutive patients and found that flurbiprofen sodium (Ocufen), when added to topical steroid protocols, significantly reduced myopic regression for one year postoperatively more than steroids alone or steroids and diclofenac sodium. Diclofenac, used with topical steroids, had less of an additive effect on myopic regression than did flurbiprofen. Topical NSAIDs are useful adjuncts to PRK therapy, both to eliminate postoperative pain and to control post-PRK myopic regression.

Administration, Topical↗
PubMed1993

Determination of haptic position of transsclerally fixated posterior chamber intraocular lenses by ultrasound biomicroscopy.

Transscleral fixation of posterior chamber intraocular lenses has become an increasingly popular procedure in eyes lacking adequate posterior capsular support. The assumption is generally made that these lenses are fixated in the ciliary sulcus. To test this assumption, 17 cases with transsclerally fixated posterior chamber intraocular lenses were examined with ultrasound biomicroscopy, a new method of producing subsurface images in living eyes at microscopic resolution. All lens haptics were easily visualized with this technique. Of 34 haptics in 17 patients, 13 were adequately located in the sulcus region, eight were located posterior to the ciliary processes, and 13 were located anterior to the sulcus region, accompanied by some degree of angle closure. Haptics with a more posterior scleral exit of the suture tended to be located more posteriorly. The cases in which the haptics were located anteriorly had scleral exit points from 1 mm to 2 mm from the limbus. The surgical placement of transsclerally fixated lenses is a blind procedure in most cases. Our series demonstrates the difficulty in reliably placing the haptics in the ciliary sulcus.

Cataract Extraction↗
PubMed1992

Mechanics of capsulorhexis.

Continuous (central, circular) curvilinear capsulorhexis (CCC), first introduced by Gimbel and Neuhann, has become increasingly popular, especially for endolenticular phacoemulsification with intracapsular intraocular lens implantation. The principles of simple mechanics are used to facilitate teaching the procedure and to reduce the incidence of complications. A safe and simple method of performing CCC based on these principles is described.

Cataract Extraction↗