alexa Functional macular mapping in patients with vitreomacular pathologic features before and after surgery.
Ophthalmology

Ophthalmology

Journal of Clinical & Experimental Ophthalmology

Author(s): RichterMueksch S, VcseiMarlovits PV, Sacu SG, Kiss CG, Weingessel B,

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Abstract PURPOSE: To evaluate the potential benefit of microperimetry and preferential hyperacuity perimeter (PHP) to document visual performance objectively in patients with macular hole and macular pucker undergoing macular surgery. DESIGN: Observational case series. METHODS: In 19 patients with macular hole and 18 with macular pucker, best-corrected visual acuity (BCVA; in logarithm of the minimum angle of resolution units), central retinal sensitivity, and presence and extent of metamorphopsia were documented before and four and 12 weeks after surgery. Macular sensitivity (mean sensitivity decibel [dB], stability of fixation) was determined using MP1 microperimetry (Nidek, Padova, Italy). The PreView-PHP (Carl Zeiss Meditec, Dublin, California, USA) was used to quantify metamorphopsia. RESULTS: Before surgery, mean BCVA was 0.68 +/- 0.25 (macular holes) and 0.58 +/- 0.25 (macular pucker). Microperimetry demonstrated a mean retinal sensitivity of 11.3 +/- 2.5 dB (macular holes) and 10.7 +/- 2.8 dB (macular pucker). Twelve weeks after surgery, mean BCVA improved to 0.53 +/- 0.26 (macular holes) and 0.33 +/- 0.26 (macular pucker; P = .042 and P = .004). Accordingly, retinal sensitivity increased significantly with 12.8 +/- 1.9 dB (macular holes) and 12.7 +/- 2.5 dB (macular pucker; P = .04 and P = .02) as well as stability of fixation. At 12 weeks, 47.3\% of macular hole eyes and 66.7\% of macular pucker eyes improved in BCVA, but a significantly higher number (68.4\% [macular holes] and 77.8\% [macular pucker]) demonstrated improvement in microperimetry results. PHP results showed no significant change of scotomas, patient reliability, or presence of metamorphopsia at any interval. CONCLUSIONS: A higher number of patients improved in microperimetry than in visual acuity testing. Therefore, microperimetry highlights the value of functional macular mapping for these patients and indicates that BCVA may underestimate functional benefit of surgery. This article was published in Am J Ophthalmol and referenced in Journal of Clinical & Experimental Ophthalmology

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