Browsing by Author "Trivedi, Rupal H"
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Item Assessment of peripapillary retinal nerve fiber layer thickness using scanning laser polarimetry (GDx VCC) in normal Indian children.(2013-12) Khamar, Mayuri B; Vasavada, Vaishali; Shah, Sajani K; Trivedi, Rupal H; Thomas, RaviPurpose: To obtain reference values of RNFL thickness in normal Indian children and to study the association of RNFL thickness with central corneal thickness(CCT) and axial length(AL). Materials and Methods: 200 normal Indian children (mean age 8.6 ± 2.9 yrs) were examined on the GDxVCC. The inferior average (IA), superior average (SA), temporal-superior-nasal-inferior-temporal (TSNIT) average and nerve fiber index (NFI) values were recorded and compared between males and females as well as between the different age groups. The association of TSNIT average with AL and CCT was examined. Results: Values for the RNFL parameters were-SA: 64.9 ± 9.7, IA: 63.8 ± 8.8, TSNIT average: 53.5 ± 7.7 and NFI 21.5 ± 10.8. Superior, inferior and TSNIT averages did not differ significantly between males and females (P = 0.25, P = 0.19, P = 0.06 respectively; Mann-Whitney U test). No significant differences were found in TSNIT average across age groups. There was a statistically significant positive correlation between CCT and TSNIT average (r = 0.25, r2 = 0.06, P < 0.001). The correlation TSNIT average and AL(r = −0.12; r2= 0.01) was not significant (P = 0.2). Conclusion: Reference values for RNFL parameters reported for Indian children are similar those reported in adults. There is a small correlation between central corneal thickness and RNFL as reflected in average TSNIT.Item Bipseudophakia. Clinicopathological findings of a pseudophakic human globe obtained postmortem implanted with an anterior chamber and a posterior chamber intraocular lens.(2002-03-02) Izak, Andrea M; Pandey, Suresh K; Werner, Liliana; Apple, David J; Trivedi, Rupal HWe report the clinicopathological findings of a human pseudophakic globe obtained postmortem, containing both anterior and posterior chamber intraocular lens, a condition we termed "bipseudophakia".Item Sir Nicholas Harold Ridley. He changed the world, so that we might better see it.(2003-09-07) Trivedi, Rupal H; Apple, David J; Pandey, Suresh K; Werner, Liliana; Izak, Andrea M; Vasavada, Abhay R; Ram, JagatCataract surgery with intraocular lens (IOL) implantation has become the most common and most successful of all operations in medicine. Sir Harold Ridley's first cataract extraction with implantation of an IOL marked the beginning of a major change in the practice of ophthalmology. Millions of patients worldwide have benefited from Sir Ridley's invention, and are likely to continue to derive benefit from this device. However, the development of the IOL was not without its share of ups and downs. Sir Harold Ridley, the inventor of IOL, died at the age of 94, on 25 May 2001, and ophthalmology lost one of its greatest and most influential practitioners. We are happy that he lived to enjoy the fruits of his labour--to see the amazing improvements and the expansive growth that evolved in the cataract-IOL technique, from early and unsatisfactory operations in previous decades, to the superb results attainable today. The invention of the IOL has not been just the addition of one new form of treatment, but rather, Sir Harold's tiny disc-shaped sliver of plastic has changed the world so that our patients may better see it. This article presents a brief biographical sketch of Sir Harold and lists his major inventions and contributions to ophthalmology.