Correlation Between Axial Length of Eyeball And Peripapillary Rnfl Thickness Measured By Oct in Myopes.
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2017, Vol 16, Issue 2
Abstract
This study was conducted to determine the correlation between axial length of eye ball and peripapillary RNFL thickness measured by OCT in myopes .The study was carried out on patients attending Outpatient Department Of Ophthalmology at M.L.B Medical College, Jhansi. Myopic subjects >18 years of age without other ocular pathology were invited to participate . Subjects for the study were selected based on strict inclusion and exclusion criteria as indicated. All subjects underwent a thorough ophthalmic examination (FMR) to confirm the lack of ocular pathology other than refractive error . Refractometry was performed in both eyes and converted to spherical equivalents . The more myopic eye was selected as the study eye.. The study eye was examined for axial length biometry. Slit lamp biomicroscopy was done to look for the appearance of optic nerve (including vertical and horizontal disk diameter, cup-to-disk ratios, and the presence of disk tilt and/or peripapillary atrophy) and and documented by Stratus OCT ( including vertical and horizontal disk diameter, disk area, and vertical and horizontal cup-to-disk ratio) . Significant and strong association was found between axial length and RNFL thickness( p value =0.002 ) . Significant and less strong association was found between spherical number and RNFL thickness ( p value =0.006 ) . The stronger correlation with axial length could furthermore indicate that globe elongation (with geometrically concomitant thinning of the globe wall) is an important determinant of thin RNFL. Thin RNFL measurements in myopes could represent a predisposing factor for the future development of glaucoma, which could partly explain why glaucoma is more prevalent among myopes
Authors and Affiliations
Dr. Jitendra Kumar, Dr. Shweta Dwivedi, Dr. Arun Kumar Pathak, Dr. Amit Verma
Keywords
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