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Glaucoma and Lasik

Causes and treatment of a central island after Lasik, Bladeless Lasik, PRK, LASEK, or Epi-Lasik.


Image of smiling woman.  
Glaucoma must be managed before Lasik laser eye surgery.  
   

Glaucoma is a condition in which the internal ocular pressure (IOP) of the eye is elevated, causing damage to the optic nerve. The most common type of glaucoma will show no symptoms until loss of vision has started, but can be diagnosed with a complete eye examination. Glaucoma can be treated with medicated eye drops, laser surgery, and/or conventional surgery.

Detection

Glaucoma is detected by the measurement of the eye pressure, visual examination of the optic nerve during a complete eye exam, and a visual field test to determine if loss of vision has started.

Causes of Glaucoma

Aqueous humor flows into and out of the anterior chamber of the eye to bathe and nourish the intraocular structures. When a patient has glaucoma, the fluid drains too slowly out of the anterior chamber. As the fluid builds up, the pressure inside the eye rises. If the eye pressure is not controlled, damage to the optic nerve may occur, which will lead to vision loss and eventually blindness if not treated.

Lasik Concerns

Glaucoma may be a problem if you are considering refractive surgery, but different types of refractive surgery are less problematic than others. Individuals with very highly IOP or predisposed to glaucoma may not be appropriate for conventional or custom wavefront Lasik, Bladeless Lasik, or Epi-Lasik, but may be appropriate for other types of refractive surgery like PRK, LASEK, P-IOL, or RLE. While glaucoma does not automatically exclude a person from many refractive surgery techniques, glaucoma should be treated and stabilized before considering refractive surgery.

Raised IOP

During Lasik, Bladeless Lasik, and Epi-Lasik surgery, a microkeratome is affixed to the eye with suction. This suction greatly increases the IOP of the eye for a brief time. The temporarily elevated IOP may negatively affect a patient with glaucoma or someone predisposed to glaucoma. PRK, LASEK, CK, P-IOL, and RLE do not require a microkeratome and do not dramatically raise the patient's IOP. These techniques may (emphasis on "may") be appropriate for consideration.

Risk Factors

About 3 million people in the United States have glaucoma. Some risk factors for glaucoma include a family history of glaucoma, ancestry of the Negro race, high blood pressure, diabetes, smoking, advanced age, the use of corticosteroids, and previous ocular trauma. If you have been previously diagnosed with glaucoma or are a member of a glaucoma risk group, be sure to discuss with your refractive surgeon any concerns you may have regarding refractive surgery and glaucoma.

Online Glaucoma Test

An FDA approved online glaucoma test is available that you can use from your own computer to determine if you have glaucoma. Visit Online Glaucoma Test

Looking For Best Lasik Surgeon?

If you are ready to choose a doctor to be evaluated for conventional or custom wavefront Lasik, Bladeless Lasik, PRK, or any refractive surgery procedure, we recommend you consider a doctor who has been evaluated and certified by the USAEyes nonprofit organization. Locate a USAEyes Evaluated & Certified Lasik Doctor.

Personalized Answers

If this article did not fully answer your questions, use our free Ask Lasik Expert patient forum.


Recent Glaucoma Medical Journal Articles...

Related Articles

Accidental Overdose of Travoprost.

Optom Vis Sci. 2014 Sep 25;

Authors: Goodwin D, Erickson DH

Abstract
PURPOSE: To report systemic symptoms after an overdose of travoprost.
CASE REPORT: We report a patient who, instead of artificial tears, inadvertently used travoprost every 15 minutes for 7 hours after LASIK (laser-assisted in situ keratomileusis) surgery. She experienced abrupt, severe abdominal cramps and sudden, severe menstrual bleeding, which subsided quickly upon discontinuation of the drug.
CONCLUSIONS: Because of the few systemic adverse effects, prostaglandin analogs are widely used for the treatment of glaucoma. Travoprost should be taken once daily; therefore, overdose is extremely uncommon. Systemic prostaglandins have been found to be mediators of uterine activity and are used to induce labor and terminate pregnancies. The high dose of this topical medication, as well as the compromised cornea, makes this case unique. The unusual circumstances observed in this case greatly expand our knowledge regarding the potential adverse effects of travoprost.

PMID: 25259759 [PubMed - as supplied by publisher]

 


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