International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064

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Case Studies | Medical Surgical | India | Volume 8 Issue 9, September 2019

Evaluation of Fundus Changes in High Myopia and their Correlation with the Axial Length of the Globe

Ramya Krishna T G | Purva Agarwal [5] | Aravind. J

Abstract: Myopia is prevalent in 15 %-33 % of general population. The varying degrees of human disability and suffering caused by myopia exact a very real economic cost not only in terms of support required by the blind and visually handicapped, but also in the cost of optical corrections and other medical or surgicalcorrections. To evaluate the fundus changes in high myopia in correlation with the axial length of globe. Methods: 100 eyes of the 50 patients with myopia more than -6D attending the out patient department of Ophthalmology at santhiram medical college and general hospital, nandyal. Keratometry was done to measure corneal curvature using Bausch and Lomb keratometer. Ultrasound biometry was using contact probe Biomedix A-Scan with digital display to assess axial length in all subjects in both eyes. Results: There were 100 eyes examined in this manner. • 12 patients had unilateral high myopia. • 1 patient had unilateral functioning eye. • 38 patients had bilateral myopia. Interpretation and conclusion: 1. A steady rise from 75 % in the range of average axial length 26.5mm and was found more frequently with increasing axial length.3. Fuchs spots was seen in 13 eyes out of 39 eyes of axial length >26.5mm and was seen more frequently with higher axial lengths.4. Lacquer cracks was seen in 7 patients of axial length >28.5mm.5. Posterior Staphyloma was seen in 2 patients of axial length >25.5mm and was less common than Fuchs spots and Lacquer cracks in this study group.6. A steady rise from 33 % in the range of average axial length of 29.5mm to 100 % in all eyes of average axial length of >33.5m. A substantial proportion of asymptomatic highly myopic subjects in this community-based study were found to have peripheral retinal degenerative as well as posterior pole chorioretinal lesions. As previous studies in highly myopic eyes have demonstrated these degenerative lesions might be associated with serious vision threatening complications, highly myopic patients should be educated about the symptoms of retinal complications such as retinal detachment and choroidal neovascularisation, and advised to seek ophthalmic care promptly should such symptoms arise.

Keywords: myopic crescent, chorioretinal atrophy, fuchs spots, lacquer cracks, posterior staphyloma

Edition: Volume 8 Issue 9, September 2019,

Pages: 1385 - 1391

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