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Subclinical Keratoconus among Patients Visiting Hilla Laser Unit in Iraq | ||
| Medical Journal of Babylon | ||
| Article 1, Volume 7, Issue 1, 2010, Pages 148-154 | ||
| Author | ||
| Qasim Kadhim Farhood | ||
| Abstract | ||
| Background: Subclinical Keratoconus is a term used to indicate a patient with inferior or central steepening of cornea on topography where the clinician suspects that it may progress to keratoconus. Aim of the Study: Diagnosis of sub-clinical keratoconus among myopic patients seeking for correction of their refractive errors by excimer laser, to avoid surgery for those patients and consider them at risk of developing post operative corneal ectasia which is the most severe post operative complication in photorefractive surgery. Patients and methods: One thousand and two hundred myopic patients who attended laser unit/ Hilla Teaching Hospital, during a 1.5 year duration, seeking for correction of their refractive errors. Many investigations were done including visual acuity, slit lamp examination, corneal topography, keratometry and pachymetry. Results: Among those patients, 49 (4%) diagnosed as having subclinical keratoconus. Out of these (49) cases, (27) (55%) were males and (22) (45%) were females. Forty one (83.6%) of the patients where less than ( 25) years old. Conclusion: Sub-clinical keratoconus is one of the challenging problems facing refractive surgeons and is one of the most important and preventable causes of corneal ectasia following photorefractive surgeries. | ||
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