Position of Central Retinal Vascular Trunk and Preferential Location of Glaucomatous Damage in Myopic Normal-Tension Glaucoma.

Ophthalmology. Glaucoma
Kyoung Min LeeSeok Hwan Kim

Abstract

To investigate the spatial correlation between the central retinal vascular trunk and the preferential location of glaucomatous damage in myopic normal-tension glaucoma (NTG) eyes. Cross-sectional study. One hundred thirty-seven subjects with myopic NTG (137 eyes). The position of the vascular trunk was measured from the center of the Bruch membrane opening (BMO), which was delineated by optical coherence tomography imaging. The angular deviation was measured, with the horizontal nasal midline as 0° and the superior location as a positive value. The shift index was calculated as the distance of the vascular trunk from the BMO center relative to that of the BMO margin. The angular location of the midpoint of the retinal nerve fiber layer (RNFL) defect was measured from the BMO center. In cases with bi-hemispheric RNFL defects, the angular location was measured for the RNFL defect of larger width. For categorical analysis, hemispheric dominancy was determined if the RNFL defect in one hemisphere was larger than twofold that in the opposite hemisphere. In cases with no dominant hemisphere, the eye was classified as bi-equivalent involvement. The vascular trunk position within the BMO and the location of glaucomatous damage. The mo...Continue Reading

Citations

Sep 10, 2020·Investigative Ophthalmology & Visual Science·Eunoo BakSeok Hwan Kim
Mar 17, 2020·Investigative Ophthalmology & Visual Science·Hae Rang KimMin Hee Suh
Aug 7, 2019·Investigative Ophthalmology & Visual Science·Martha KimSeok Hwan Kim
Oct 22, 2020·Scientific Reports·Young In ShinSeok Hwan Kim

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