What vision correction can address
Refractive procedures change how the eye focuses light. They can reduce dependence on glasses for suitable patients, but they do not guarantee perfect vision or remove the need for future eye care. An eye-health assessment comes before selecting a procedure. 1 · 2
LASIK and corneal laser treatment
LASIK reshapes the cornea beneath a thin flap. Candidacy depends on factors including a stable prescription, corneal shape and thickness, and a healthy eye surface. Possible tradeoffs include dryness, glare or halos, undercorrection or overcorrection, and uncommon but serious complications, including loss of vision. A person who is unsuitable for LASIK may need a different approach or may be better served by glasses or contact lenses. 1 · 3 · 2
EVO ICL
An implantable collamer lens is placed inside the eye while the natural lens remains in place. EVO ICL is a lens option for selected people with nearsightedness, including certain prescriptions with astigmatism. The evaluation includes the space inside the front of the eye and the health of the cornea’s inner cell layer. Risks include pressure elevation, cataract, endothelial cell loss, glare or halos, infection, and a need for another procedure. Although the implant can be removed surgically, that does not make implantation risk-free or promise a return to the eye’s prior state. 4 · 5
Refractive lens exchange
Refractive lens exchange replaces the natural lens with an artificial lens before cataract clouding is the main reason for surgery. It shares important risks with cataract surgery and permanently removes the natural lens. Retinal-detachment risk is a particular consideration in highly nearsighted eyes. Lens selection still involves tradeoffs around glasses, night vision, and focusing range. 6 · 7
How a consultation helps
Bring your current prescription and describe your daily visual tasks. Ask how your cornea, retina, eye pressure, age-related focusing changes, and past eye treatments affect suitability. Keeping glasses or contact lenses is a valid option. 8
Warning signs after a procedure
Contact the treating surgeon promptly for worsening pain or vision rather than waiting for a scheduled follow-up. Follow the procedure-specific emergency instructions you receive. 8 · 5
Questions to ask
- Which options are suitable for my eyes, and where would each procedure be performed?
- What are the realistic benefits, main risks, follow-up needs, and total costs?
- What could leave me needing glasses or an additional procedure later?
Sources & review status
- 01FDA LASIK overview ↗
- 02FDA refractive surgery risks ↗
- 03FDA LASIK candidacy ↗
- 04FDA EVO ICL overview ↗
- 05FDA EVO ICL patient information ↗
- 06AAO intraocular refractive surgery ↗
- 07AAO presbyopia-correcting lenses ↗
- 08FDA LASIK surgery checklist ↗
About these guides: Prepared from the linked medical and prescribing references, checked October 13, 2026. Approved for publication by Dr. Nicholas Bottaro on October 13, 2026. These pages provide general education, not a diagnosis, treatment plan, or individual prescribing advice.