J Korean Ophthalmol Soc.  2014 Dec;55(12):1853-1859. 10.3341/jkos.2014.55.12.1853.

The Evaluation of Prognostic Factors after Vitrectomy for Lamellar Macular Hole Using Optical Coherence Tomography

• Kim SW
• Jeon HM
• Ahn DS
• Yoon HS

• KMID: 2338976
• DOI: http://doi.org/10.3341/jkos.2014.55.12.1853

Abstract

PURPOSE
To evaluate the prognostic factors that predict visual outcome after vitrectomy for lamellar macular hole using optical coherence tomography (OCT).
METHODS
This study included 26 eyes that underwent pars plana vitrectomy, epiretinal membrane removal, and internal limiting membrane peeling for lamellar macular hole. The maximum parafoveal thickness, maximum height and diameter of lamellar macular hole, maximum height and diameter of intraretinal splitting, thinnest foveal floor thickness, and inner segment/outer segment disruption length on preoperative OCT image were investigated for prognostic factors that predict visual outcome.
RESULTS
The mean follow-up period was 32.2 months and the mean best corrected visual acuity improved significantly after vitrectomy from log MAR 0.47 +/- 0.32 to log MAR 0.23 +/- 0.23. The postoperative visual acuity correlated significantly with preoperative visual acuity, thinnest foveal floor thickness and inner segment/outer segment disruption length, but not with maximum parafoveal thickness, maximum height and diameter of lamellar macular hole and maximum height and diameter of intraretinal splitting.
CONCLUSIONS
The thinnest foveal floor thickness and inner segment/outer segment disruption length on preoperative OCT image were significant prognostic factors.

Keyword

Lamellar macular hole; Optical coherence tomography; Prognostic factors

MeSH Terms

Epiretinal Membrane
Follow-Up Studies
Membranes
Retinal Perforations*
Tomography, Optical Coherence*
Visual Acuity
Vitrectomy*

Figure

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  Figure 1. Presumed prognostic factor of spectral-domain optical coherence tomography. The pink arrow indicates the maximum parafovea thickness; the blue arrow indicates the maximum height of lamellar macular hole; the green arrow indicates the maximum diameter of lamellar macular hole; the yellow arrow indicates the maximum height of intraretinal splitting; the white arrow indicates the maximum diameter of intraretinal splitting; the red arrow indicates thinnest foveal floor thickness; the orange arrow indicates inner segment/outer segment disruption length.

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  Figure 2. Mean best corrected visual acuity (log MAR) changes after treatment. BCVA of 26 eyes showed statistically significant improvement at each time after treatment (p < 0.05, Wilcoxon signed rank test). BCVA = best corrected visual acuity.

Reference

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