Retina (Philadelphia, Pa.) · 2022
MACULAR SENSITIVITY AND CAPILLARY PERFUSION IN HIGHLY MYOPIC EYES WITH MYOPIC MACULAR DEGENERATION.
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Zheng Feihui, Chua Jacqueline, Sim Yin Ci, Tan Bingyao, Yu Marco, Wong Qiu Ying, Dan Yee Shan, Chong Rachel S, Gemmy Cheung Chui Ming, Ang Marcus, Lee Shu Yen, Wong Tien Yin, Schmetterer Leopold, Wai Wong Chee, Hoang Quan V, SNEC Retina Group
Аннотация
PURPOSE: To evaluate the interrelationship between macular sensitivity and retinal perfusion density (PD) in eyes with myopic macular degeneration (MMD).
METHODS: One hundred and thirty-eight highly myopic eyes from 82 adult participants were recruited. Macular sensitivity was evaluated using the Microperimeter MP-3. Retinal PD was measured using the PLEX Elite 9000 swept source optical coherence tomography angiography. Macular sensitivity values between different categories of MMD and its relationship with optical coherence tomography angiography measurements were evaluated using multivariable linear mixed models, adjusting for age and axial length.
RESULTS: Macular sensitivity reduced with increasing severity of MMD (β ≤ -0.95, P < 0.001), whereas the best-corrected visual acuity was not associated with MMD severity (P > 0.04). Persons who were older (β = -0.08, P < 0.001), with longer axial length (β = -0.32, P = 0.005), presence of macular diffuse choroidal atrophy (β = -2.16, P < 0.001) or worse MMD (β = -5.70, P < 0.001), and presence of macular posterior staphyloma (β ≤ -2.98, P < 0.001) or Fuchs spot (β = -1.58, P = 0.04) were associated with reduced macular sensitivity. Macular sensitivity was significantly associated with deep retinal PD in MMD (β = 0.15, P = 0.004) but not with superficial retinal PD (P = 0.62).
CONCLUSION: There was a strong correlation between reduced macular sensitivity and increasing MMD severity, even in mild MMD independent of the best-corrected visual acuity. Furthermore, macular sensitivity was correlated with deep retinal PD, suggesting a vasculature-function relationship in MMD.
METHODS: One hundred and thirty-eight highly myopic eyes from 82 adult participants were recruited. Macular sensitivity was evaluated using the Microperimeter MP-3. Retinal PD was measured using the PLEX Elite 9000 swept source optical coherence tomography angiography. Macular sensitivity values between different categories of MMD and its relationship with optical coherence tomography angiography measurements were evaluated using multivariable linear mixed models, adjusting for age and axial length.
RESULTS: Macular sensitivity reduced with increasing severity of MMD (β ≤ -0.95, P < 0.001), whereas the best-corrected visual acuity was not associated with MMD severity (P > 0.04). Persons who were older (β = -0.08, P < 0.001), with longer axial length (β = -0.32, P = 0.005), presence of macular diffuse choroidal atrophy (β = -2.16, P < 0.001) or worse MMD (β = -5.70, P < 0.001), and presence of macular posterior staphyloma (β ≤ -2.98, P < 0.001) or Fuchs spot (β = -1.58, P = 0.04) were associated with reduced macular sensitivity. Macular sensitivity was significantly associated with deep retinal PD in MMD (β = 0.15, P = 0.004) but not with superficial retinal PD (P = 0.62).
CONCLUSION: There was a strong correlation between reduced macular sensitivity and increasing MMD severity, even in mild MMD independent of the best-corrected visual acuity. Furthermore, macular sensitivity was correlated with deep retinal PD, suggesting a vasculature-function relationship in MMD.