# Vision correction and eye health developments > Live situation record from CLSTR: https://clstr.news/situations/vision-correction-and-eye-health-developments > Updated: 2026-08-20T00:23:26.000Z. Sources: 2. Developments: 2. Medical insights regarding vision correction and eye health highlight various procedures and conditions. LASIK is used to reshape the cornea to correct myopia, hyperopia, and astigmatism, with approximately 90% of patients achieving 20/20 vision or better, though risks like dry eyes and glare exist. Advanced methods such as CATz Topography-Guided surgery are being employed to improve precision and night vision. Astigmatism affects nearly 39% of the population in the United States, and there has been a reported 26% increase in corneal astigmatism among children following the COVID-19 pandemic. Additionally, for those with cataracts, lens replacement surgery involves using artificial intraocular lenses (IOL). In the United States, over 20 million Americans aged 40 and older are estimated to be affected by lens opacities, prompting discussions regarding Medicare coverage for these procedures. ## Timeline ### 2026-08-20: Vision correction: Insights into LASIK, astigmatism, and cataract surgery Information regarding vision correction procedures is highlighted, including LASIK for refractive errors and astigmatism, as well as cataract surgery and its implications for Medicare coverage in the US. 2 sources. https://clstr.news/cluster/vision-correction-insights-into-lasik-astigmatism-and-cataract-surgery ### 2026-07-26: Eye Color Change Surgery Leaves Path Open for LASIK, SMILE and Implantable Lens Procedures Eye colour change surgery does not prevent later LASIK, SMILE, ICL or smart‑lens procedures after a three‑month healing period; older patients can consider trifocal or EDOF lenses, with typical laser risks like 2 sources. https://clstr.news/cluster/eye-color-change-surgery-leaves-path-open-for-lasik-smile-and-implantable-lens-procedures --- Cite as: Vision correction and eye health developments. CLSTR, https://clstr.news/situations/vision-correction-and-eye-health-developments