Clinical Study

The Structure-Function Relationship between Macular Morphology and Visual Function Analyzed by Optical Coherence Tomography in Retinitis Pigmentosa

Table 1

Demographic data.

 Average (SD) (min~max)

Number of patients100 (M : F = 58 : 42)
Age (year)38.9 (12.8) (16~79)
Best-corrected visual acuity20/30 (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)

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).