Clinical Study
The Structure-Function Relationship between Macular Morphology and Visual Function Analyzed by Optical Coherence Tomography in Retinitis Pigmentosa
| | Average (SD) (min~max) |
| Number of patients | 100 (M : F = 58 : 42) | Age (year) | 38.9 (12.8) (16~79) | Best-corrected visual acuity | 20/30 (20/30) (20/100 to 30/20) | Visual field area (nsu)† | 13.3 (24.0) (0.2~100.0) | PROS area‡ (mm2) | 4.1 (4.3) (0.0~18.0) | PROS horizontal length (µm) | 2202.2 (1341.6) (102~5363) | PROS vertical length (µm) | 1767.2 (1105.3) (90~4942) | Central subfoveal thickness∮ (µm) | 248.2 (40.2) (135–383) | ILM-ELM thickness∥ (µm) | 133.2 (34.9) (45.5~284.0) | ELM-RPE thickness (µm) | 65.4 (15.4) (27.0~96.0) | Subfoveal choroid thickness (µm) | 265.5 (67.8) (89.5~422.5) |
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Normalized solid angle unit. ‡Photoreceptor outer segment (PROS) area calculated from horizontal and vertical PROS length. ∮Central subfoveal retinal thickness. ∥Internal limiting membrane to external limiting membrane (inner retinal thickness). External limiting membrane to retinal pigment epithelium (outer retinal thickness).
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