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Lamellar intrastromal corneal tattoo for treating iris defects (artificial iris)
T E Burris1, D K Holmes-Higgin, T A Silvestrini
1Northwest Corneal Services, Portland, Oregon 97223, USA.
Cornea
|March 31, 1998
Summary
A novel lamellar intrastromal tattoo technique effectively corrected simulated iris defects in eye-bank eyes. This promising method offers a potential solution for optical and cosmetic anomalies caused by iris abnormalities.
Area of Science:
- Ophthalmology
- Corneal Surgery
- Ocular Prosthetics
Background:
- Iris defects cause significant optical issues like glare and light scatter.
- Current artificial iris technologies are insufficient for correcting these defects.
Purpose of the Study:
- To evaluate the feasibility of a lamellar intrastromal tattoo technique.
- To correct optical and cosmetic defects from simulated iris abnormalities in eye-bank eyes.
Main Methods:
- Simulated iris defects were created in eye-bank eyes.
- Lamellar channels were created in the cornea using specialized instruments.
- Commercial tattoo pigment was inserted into the channels to mimic iris tissue.
Main Results:
- The tattoo procedure was straightforward and efficient.
- Pigment was uniformly applied and blended well with the iris.
- Intrastromal tattooing successfully reduced light penetration.
Conclusions:
- Lamellar intrastromal tattooing shows efficacy in treating various iris defects.
- Further research is recommended for application in patients with non-sighted eyes.