National board demands supervision for Kentucky optometrists licensed through waivers

Tear film instability in dry eye disease causes optical distortion, which is detrimental to the quality of OCT images. Be sure to ask patients to blink immediately before being scanned, and then check the SSI of the result to confirm that an adequate signal strength was used. Photo: Kesimal B, et al. BMC Ophthalmol. May 8, 2026. Click image to enlarge. Give