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Summary
Most keratoconus patients experience excessive eye-rubbing, often linked to atopic conditions. This eye-rubbing behavior is a primary cause for keratoconus progression, especially in contact lens wearers.
Area of Science:
- Ophthalmology
- Genetics and Heredity
Background:
- Keratoconus is frequently associated with atopic conditions.
- Excessive eye-rubbing is prevalent among keratoconus patients.
Purpose of the Study:
- To propose a classification of keratoconus based on dominant etiological factors.
- To investigate the role of psychoneurotic factors in keratoconus.
Main Methods:
- Observational study comparing keratoconus patients with a control group.
- Analysis of etiological factors, including eye-rubbing and atopic conditions.
Main Results:
- Eye-rubbing is the dominant etiological factor in two-thirds of keratoconus patients who progress to contact lens wear.
- No significant psychoneurotic factor was identified in keratoconus patients compared to controls.
Conclusions:
- Eye-rubbing is a critical factor in keratoconus etiology and progression.
- A new classification system for keratoconus based on etiological factors is proposed.