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Biomedical subjects

Harinder Singh Sethi

Publications and source records attributed to Harinder Singh Sethi.

7 recordsLinked to original sources

Pseudophakic pupillary block caused by pupillary capture after phacoemulsification and in-the-bag AcrySof lens implantation.

We describe a 50-year-old patient who developed pupillary block caused by pupillary capture 1 week after uneventful phacoemulsification and implantation of an AcrySof foldable intraocular lens (IOL). The patient had a large but intact capsulorhexis with the haptics lying in the bag; the optic lay in the pupillary area anterior to the capsulorhexis. This case was successfully managed by a neodymium: YAG laser iridotomy, IOL explantation, and subsequent implantation of a poly(methyl methacrylate) posterior chamber IOL. To prevent this complication, we suggest the optic be larger than the capsulorhexis and advocate correct, gentle insertion of the foldable IOL.

Acrylic Resins↗

Postkeratoplasty endophthalmitis by Alcaligenes faecalis: a case report.

PURPOSE: To describe a postkeratoplasty endophthalmitis owing to Alcaligenes faecalis that resolved with medical management. METHODS: Case report and review of literature. RESULTS: To best of our knowledge, postkeratoplasty endophthalmitis caused by A. faecalis has not been reported in literature. The source of infection was found to be the donor tissue. The organism isolated was resistant to gentamicin, which was the only antibiotic present in the storage medium (McCarey and Kaufman medium). The patient was treated aggressively with topical, systemic and intravitreal antibiotics. The endophthalmitis resolved completely within two weeks. CONCLUSION: A. faecalis is a gram negative, non-spore forming rod that can cause endophthalmitis if donor tissue is contaminated with the organism. Clinical suspicion, review of bacterial culture and sensitivity report from donor tissue, anterior chamber and vitreous taps, along with early therapy with appropriate antibiotics can lead to resolution of infection.

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