Abstract
Objective:To present success of Toris-K contact lenses in keratoconus and traumatic keratopathy with irregular corneal surface.Methods:Toris-K contact lenses were used to treat 7 eyes of 4 patients with traumatic keratopathy (Case 1) or keratoconus (Case 2, Case 3, and Case 4). All cases had a complete eye examination before the contact lens application. The case with traumatic keratopathy was a 32-year-old male who had corneal penetrating injury due to hobnail strike 23 months ago. The other 3 keratoconus cases were females at the age of 14, 16 and 22 years old. They had high myopia and irregular astigmatism due to keratoconus. All patients refused using rigid gas permeable contact lens because of intolerance. Toris-K contact lenses were fitted on all eyes. All patients were followed-up for 28 months with a complete ophthalmic examination and corneal topography every two months.Results:Improvement of BCVA of the cases was remarkable. All cases were comfortable with their Toris-K contact lenses for 28 months. There was no significant distortion on the lenses during follow-up period.Conclusion:Toris-K lenses may be an effective alternative treatment option for the patients with keratoconus and traumatic keratopathy, especially who cannot tolerate rigid gas permeable contact lenses.
Highlights
Keratoconus is a non-inflammatory disease of the cornea characterized by thinning of the corneal stroma that may lead to irregular astigmatism and decrease in visual acuity
The main goal of treatment of keratoconus has changed over the last few years from that focused mainly on improvement of visual acuity to that focused on the prevention of progression of the disease
Seven eyes of 4 patients with keratoconus or traumatic keratopathy treated with Toris-K contact lenses (SwissLens SA, Prilly, Switzerland) were enrolled in to this study
Summary
Keratoconus is a non-inflammatory disease of the cornea characterized by thinning of the corneal stroma that may lead to irregular astigmatism and decrease in visual acuity. It typically commences at puberty and progresses to the mid 30s.1-4. The main goal of treatment of keratoconus has changed over the last few years from that focused mainly on improvement of visual acuity to that focused on the prevention of progression of the disease. In the early stages of keratoconus, spectacles are usually the first option, especially for patients who achieve high visual acuity, but spectacles may not have satisfying success for correcting irregular astigmatism, in which rigid gas permeable contact.
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