Related Experiment Video
Updated: Feb 27, 2026

05:14
Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter
Published on: September 16, 2025
664
Refractive Eye Surgery: Helping Patients Make Informed Decisions About LASIK
John M Wilkinson1, Elizabeth W Cozine1, Amir R Kahn1
1Mayo Clinic College of Medicine, Rochester, MN, USA.
American Family Physician
|July 4, 2017
Summary
Laser vision correction, like LASIK, offers excellent distance vision for most patients but may cause dry eye or visual disturbances. Discuss risks and benefits with your doctor for informed decisions.
Area of Science:
- Ophthalmology
- Refractive Surgery
- Corneal Surgery
Background:
- Refractive surgery, including LASIK, reshapes the cornea with lasers as an alternative to glasses.
- While marketed as simple and safe, high-quality long-term outcome data are limited.
Purpose of the Study:
- To review the outcomes, complications, and patient selection for refractive surgery.
- To inform family physicians about refractive surgery options and patient counseling.
Main Methods:
- Review of existing literature on refractive surgery outcomes and complications.
- Discussion of patient selection criteria, contraindications, and potential side effects.
Main Results:
- Over 90% of selected patients achieve excellent uncorrected distance vision.
- Potential complications include persistent dry eye (up to 20%) and visual disturbances, especially at night.
- Vision-threatening complications are rare; intraocular lenses are an alternative for older patients.
Conclusions:
- Refractive surgery significantly reduces dependence on corrective lenses, but some patients still need glasses post-procedure.
- Patient satisfaction is generally high, but informed decision-making requires understanding risks, benefits, and individual preferences.
Related Concept Videos
Focusing of Light in the Eye
6.7K
Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
6.7K
Angle Closure Glaucoma: Treatment
1.4K
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
1.4K
Open Angle Glaucoma: Treatment
1.1K
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
1.1K

