Light-adjustable lens shows promise in eyes with radial keratotomy history
The use of a light-adjustable lens (LAL) can lead to significant improvements in visual and refractive outcomes for individuals with a history of radial keratotomy (RK) undergoing cataract surgery, according to data presented at AAO 2023.
The postoperative adjustability of the LAL is highlighted as a key advantage, contributing to the high level of precision and accuracy in achieving emmetropia.
The research included 44 eyes with a history of RK, which were implanted with the LAL and targeted for emmetropia. Eyes with concomitant ocular pathology that affected corrected distance visual acuity and those with a near target were excluded from the study.
At the 1-month postoperative visit, the results were highly encouraging. Monocular uncorrected distance visual acuity (UDVA) found that 64% of eyes achieved 20/20 or better, 73% achieved 20/25 or better, and an impressive 93% reached 20/30 or better.
In terms of refractive accuracy, 70% of eyes were within ±0.5 diopters of the final target, and 45% were within ±0.25 diopters. The mean refractive spherical equivalent (MRSE) was recorded at 0.5 ± 0.4 diopters, showcasing a high level of precision in the outcomes.
The study also noted a mean time of 9.2 ± 3.1 weeks from surgery to final lock-in, with no instances of intraocular lens exchanges required.
Ferguson TJ, et al. Light-Adjustable Lens in Patients With Previous RK. Poster Presented at: AAO 2023.