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Lasers in corneal surgery.
Summary
Femtosecond and excimer lasers are revolutionizing corneal surgery, offering advanced alternatives to traditional methods. These laser technologies enhance precision in procedures like photorefractive keratectomy and laser-assisted in situ keratomileusis (LASIK).
Area of Science:
- Ophthalmology
- Surgical Technology
- Laser Medicine
Background:
- Traditional corneal surgery methods are being advanced by new laser technologies.
- Femtosecond lasers and excimer lasers have become integral to modern ophthalmic procedures.
Purpose of the Study:
- To review the evolution and application of laser technologies in corneal surgery.
- To highlight the role of femtosecond and excimer lasers in refractive and transplantation procedures.
Main Methods:
- Review of advancements in laser-assisted corneal surgical techniques.
- Analysis of the integration of femtosecond and excimer lasers in procedures like PRK, PTK, epi-LASIK, LASEK, LASIK, and SMILE.
Main Results:
- Femtosecond lasers have replaced traditional instruments in corneal refractive surgery and transplantation.
- Excimer lasers, used since the 1990s, have improved photorefractive keratectomy (PRK) and led to new methods.
- Laser-assisted in situ keratomileusis (LASIK) utilizes both laser types, while SMILE exclusively uses femtosecond lasers.
Conclusions:
- Laser technologies, particularly femtosecond and excimer lasers, have significantly transformed corneal surgery.
- These advancements offer improved precision and expanded options for corneal procedures, including refractive surgery and transplantation.

