Deep anterior lamellar keratoplasty as an alternative to penetrating keratoplasty a report by the american academy of ophthalmology

Acanthamoeba keratitis: diagnosis and treatment update 2009.

Comparison of deep lamellar keratoplasty and penetrating keratoplasty in patients with keratoconus.

Cataract in the Adult Eye Preferred Practice Pattern

Randomized clinical trial of deep lamellar keratoplasty vs penetrating keratoplasty.

PURPOSE AND METHOD: To review the literature on microbial keratitis reported after laser in situ keratomileusis (LASIK). RESULTS: Forty-one eyes have been reported to have microbial keratitis after LASIK. The causative organisms vary from gram positive bacteria to atypical mycobacteria, fungal, and viral pathogens. The infection is usually acquired intraoperatively, but may also be caused by postoperative contamination. A majority of the patients present within 72 hours of the surgery with an acute onset of symptoms. Management of microbial keratitis after LASIK includes aggressive topical fortified antibiotic therapy, irrigation of stromal bed with antibiotic solution after lifting the flap, and sending the scraping of the infiltrate for microbiological evaluation. The keratitis heals with scarring and a best spectacle-corrected visual acuity of 20/40 or better can be obtained in the majority of the patients. CONCLUSION: Microbial keratitis is a sight-threatening complication of LASIK.

Microbial keratitis after laser in situ keratomileusis

Aim: To study the demographic pattern and indications for evisceration in north India and to evaluate the changing trends over the last decade.



Methods: In a retrospective hospital-based study, case records of all patients who underwent evisceration at Rajendra Prasad Centre for Ophthalmic Sciences from January 1990 to December 1999 were reviewed. The parameters evaluated were the age and sex distribution, the place of residence (urban/rural) and the indications for evisceration. The aetiology responsible for evisceration was determined on the basis of history, clinical examination and investigations as determined from previous records.



Results: One hundred and sixty-four patients had one eye eviscerated during the study period. The mean age of the patients was 51 ± 13.84 years (range 6 months to 90 years). Panophthalmitis was the most common indication for evisceration (78.6%, n = 129), followed by irreparable globe injury (21.3%, n = 35). There was a significant decrease in the eviscerations performed due to pano-phthalmitis from 104 cases during the period 1990−1994, to 25 cases in the period 1995−1999.



Conclusion: Panophthalmitis and severe ocular injury are the major indications of evisceration in north India. There has been a significant decrease in the number of eviscerations related to panophthalmitis over the last decade.

A study of the indications and changing trends of evisceration in north India.

Purpose: To evaluate the visual performance of rigid gas permeable (RGP) contact lenses in patients with nebular and nebulo-macular corneal opacity and correlate the improvement in visual acuity with other visual parameters. Methods: In a prospective study, visual performance of RGP contact lenses was evaluated in eyes with corneal opacity involving the pupillary area. The baseline visual acuity and other visual parameters with glasses were compared with those recorded with RGP contact lenses. The visual functions evaluated were visual acuity, contrast sensitivity, glare acuity, and mesopic vision. Binocular status with RGP contact lenses was assessed. All patients were followed up for 3 months. Results: Twenty-eight eyes (26 patients) with nebular or nebulo-macular corneal opacity were included in this study. All eyes (100%) achieved significantly better visual performance with RGP contact lenses than with glasses (P< 0.0020). Visual acuity of 6/9 or better was achieved in 50% of patients with RGP contact lenses compared to none with glasses. RGP contact lenses improved the visual acuity by 0.27 decimals over the baseline value with glasses, but the improvement for mesopic vision and glare acuity was significantly lower at 0.15 and 0.06 decimals respectively. Similarly, contrast sensitivity did not improve to the same extent as visual acuity. Stereopsis was present only in patients with best corrected visual acuity of 6/9 or better with RGP lenses. Conclusion: RGP contact lenses improved the visual acuity and other visual performance in patients with reduced vision due to nebular or nebulo-macular corneal opacity. However, contrast sensitivity, glare acuity, and mesopic vision did not improve to the same extentas visual acuity.

Visual performance of rigid gas permeable contact lenses in patients with corneal opacity.

Oversized corneal grafts for corneal opacities with iridocorneal adhesions.

PURPOSE To evaluate the effectiveness, predictability, and safety of laser in situ keratomileusis (LASIK) for correcting myopia greater than -10.00 D. METHODS Sixty-five eyes of 37 patients with myopia greater than -10.00 D underwent LASIK. Patients were evaluated on day 1, 1 week, 1, 3, and 6 months after surgery. Parameters evaluated were uncorrected visual acuity (UCVA) and best spectacle-corrected visual acuity (BSCVA), residual refractive error, regression of correction, and presence of any complication. RESULTS Mean preoperative BSCVA was 0.745 +/- 0.234, which improved to 0.8070 +/- 0.237 postoperatively. The average preoperative UCVA was 0.022 +/- 0.02; postoperative UCVA at 6 months was 0.536 +/- 0.255. UCVA of 20/40 or better was achieved in 58% (38 eyes) and 20/20 or better in 26% (17 eyes). The average refractive error before LASIK was -12.64 +/- 2.16 D (range -10.00 to -19.00 D). Mean residual refractive error 1 week following LASIK was -0.63 +/- 1.36 D, which regressed to a mean -1.78 +/- 2.08 D at the end of 6 months. Nineteen eyes (29%) were within +/-0.50 D of intended refractive correction. CONCLUSION LASIK was partially effective in the correction of high myopia. An initial overcorrection may be programmed to offset the effect of refractive regression.

Results of laser in situ keratomileusis for myopia of -10 to -19 diopters with a Technolas 217 laser.

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