HRL* positive (n=8) HRL negative (n=18) p-value
Pre-operative CRT† (μm) 422 342 <0.05
Post-operative CRT at 1 month (μm) 307 255 <0.01
Post-operative CRT at 4 months (μm) 275 249 0.12
Pre-operative PRT‡ (μm) 379 320 <0.05
 Post-operative PRT at 1 month (μm) 316 290 <0.01
Post-operative PRT at 4 months (μm) 303 292 0.29
Mean gain in visual acuity (logMAR)  0.45  0.29 0.30
*Highly Reflective Layer, †Central Retinal Thickness, ‡Peripheral Retinal Thickness
Table 3: Peripheral retinal thickness (PRT), Central retinal thickness (CRT) and visual outcomes in cases with and without an HRL.