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Updated: Aug 13, 2026
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A Laser-induced Mouse Model of Chronic Ocular Hypertension to Characterize Visual Defects
Published on: August 14, 2013
[Prospective study of contrast sensitivity and visual effects after LASIK]
D Donate1, P Denis, C Burillon
1Service d'Ophtalmologie, Pavillon C, Hôpital Edouard Herriot, 5, place d'Arsonval, 69003 Lyon. david.donate@wanadoo.fr
Journal Francais D'Ophtalmologie
|January 6, 2006
Summary
Laser in situ keratomileusis (LASIK) for myopia may cause a temporary decrease in contrast sensitivity, particularly at six months post-surgery. Patients should be informed about potential impacts on functional vision.
Area of Science:
- Ophthalmology
- Refractive Surgery
- Visual Optics
Context:
- Laser in situ keratomileusis (LASIK) is a common refractive surgery procedure to correct myopia.
- Visual disturbances like halos and glare, and changes in contrast sensitivity, can occur post-LASIK.
- Understanding these visual effects is crucial for patient counseling and managing expectations.
Purpose:
- To evaluate changes in contrast sensitivity, halos, and glare after LASIK for myopia correction.
- To compare visual outcomes between different degrees of myopia treated with LASIK.
Summary:
- A prospective study assessed 72 eyes undergoing LASIK for myopia, measuring contrast sensitivity, halos, and glare preoperatively and at 6 and 12 months postoperatively.
- Contrast sensitivity was significantly reduced at 6 months in eyes with lower myopia (-6 to -7.5 D) but returned to near baseline by 12 months.
- No significant changes in halos or glare were observed, and no correlation with pupil diameter was found.
Impact:
- LASIK for myopia may lead to a transient decrease in contrast sensitivity, impacting functional vision.
- Preoperative patient education regarding potential visual changes is recommended.
- Further research may explore long-term visual quality after LASIK.
