What is it?
- Different curvature of the meridians of the cornea, causing different refractive power which prevents focus on the retina.
- Very frequent. Appears in isolation or associated with myopia or hyperopia.
- Generally congenital and stable. May be a side-effect of surgery (cornea transplant, cataracts, etc.), traumatism, disease of the cornea (ulcer, keratoconus, etc.)
Symptoms
The main symptoms are blurred vision and headaches.
Treatment
With spectacles, contact lenses or various types of surgery.
Surgical treatment
- INTRALASIK (90% of cases in I.O.M.)
- LASIK with microkeratome
- PRK
- Corneal insertions
- Implantable collamer lens (ICL)
- Pseudofakia intraocular lens (with or without cataracts).