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Updated: Jun 28, 2026

Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing
Published on: April 25, 2019
Femtosecond lasers in ophthalmology
H Kaz Soong1, João Baptista Malta
1Department of Ophthalmology and Visual Sciences, W. K. Kellogg Eye Center, University of Michigan Medical School, Ann Arbor, Michigan, USA. hksoong@umich.edu
Femtosecond lasers offer precise tissue cutting with minimal damage in ophthalmology. Their versatility is expanding from LASIK flaps to advanced corneal and glaucoma surgeries, improving patient outcomes.
Area of Science:
- Ophthalmology
- Laser Surgery
- Corneal Surgery
Background:
- Femtosecond lasers utilize near-infrared pulses for precise tissue ablation.
- They offer minimal collateral tissue damage compared to traditional methods.
Purpose of the Study:
- To review the current applications and advancements of femtosecond lasers in clinical ophthalmology.
- To highlight the expanding role of femtosecond laser technology in various ophthalmic procedures.
Main Methods:
- Perspective review of existing literature.
- Inclusion of authors' clinical and laboratory findings.
- Commentary on the current state and future potential of femtosecond lasers.
Main Results:
- Femtosecond lasers are currently used for LASIK flaps, lamellar keratoplasty, and corneal biopsies.
- Applications include donor button cutting, trephination, and intracorneal ring segment tunnel creation.
- Emerging uses involve flapless refractive surgery, keratoprosthesis insertion, glaucoma surgery, and lens procedures.
Conclusions:
- Continuous advancements in ultra-fast laser technology enhance surgical safety and efficiency.
- Femtosecond lasers demonstrate increasing versatility and improved outcomes in ophthalmic surgery.
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