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Updated: Jun 10, 2026

Corneal Sensitivity Testing Procedure for Ophthalmologic and Optometric Patients

Corneal Sensitivity Testing Procedure for Ophthalmologic and Optometric Patients

Published on: August 2, 2024

Post-LASIK tear dysfunction and dysesthesia.

Gregory R Nettune¹, Stephen C Pflugfelder

¹Ocular Surface Center, Cullen Eye Institute, Baylor College of Medicine, Houston, TX 77098, USA. nettune@bcm.tmc.edu

The Ocular Surface

|August 18, 2010

Summary

This summary is machine-generated.

Post-LASIK dry eye is common but treatable, involving a spectrum of conditions from tear instability to neuropathic pain. Early management of ocular surface health is key for most patients, with severe cases needing aggressive treatment.

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Published on: April 1, 2019

Area of Science:

Ophthalmology
Corneal Surgery
Dry Eye Disease

Background:

Laser in situ keratomileusis (LASIK) frequently causes temporary tear dysfunction and dry eye symptoms.
These symptoms are a significant source of patient discomfort and dissatisfaction post-surgery.
Post-LASIK dry eye is not a single condition but a spectrum of issues.

Purpose of the Study:

To review current understanding of post-LASIK dry eye.
To discuss the pathophysiology, risk factors, and management of this condition.
To explore the role of neurotrophic disease and neuropathic pain.

Main Methods:

Literature review of post-LASIK tear dysfunction.
Analysis of pathophysiology and risk factors.
Evaluation of management strategies for diverse presentations.

Main Results:

Nearly all LASIK patients experience some tear dysfunction, usually resolving.
The condition encompasses neurotrophic disease, tear instability, aqueous deficiency, and neuropathic pain.
Neural changes and neuropathic pain contribute to symptoms in some patients.

Conclusions:

Most early post-LASIK dry eye resolves with optimized ocular surface care.
Persistent or severe symptoms after 9 months require aggressive management.
Understanding the spectrum of post-LASIK dry eye is crucial for effective treatment.