Keratoconus
Conditions
Keywords
Keratoconus, intrastromal corneal ring segment, To evaluate the visual and refractive outcomes of intrastromal corneal ring segment in keratoconic eyes at different stages
Brief summary
The purpose of this study is to properly analyse the visual and refractive outcomes of implantation of KeraRing intrastromal corneal ring segment (ICRS) at the different stages of keratoconus.
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* Patients who had keratoconus * Contact lens intolerance and clear cornea. * The maximum keratometric reading was less than 60.00 diopters (D) * The minimum corneal thickness more than 300 μm.
Exclusion criteria
* Acute or grade IV keratoconus. * Previous corneal or intraocular surgery. * Cataract, history of glaucoma or retinal detachment, macular degeneration or retinopathy, neuro-ophthalmic diseases, and history of ocular inflammation