METHOD OF TREATING KERATOCONUS Russian patent published in 2015 - IPC A61F9/07 A61N5/06 A61K31/525 A61P27/02 

FIELD: medicine.

SUBSTANCE: method involves removing an epithelial layer, exposing a cornea by saturating it through multiple instillations of 0.1% riboflavin followed by the ultraviolet exposure. After the epithelial layer has been removed, a ring made of an ultraviolet-protected contact lens is applied on a surface of the eyeball perilimbally. An outer diameter of the ring covers the limb by no more than 2 mm, whereas an inner diameter of the ring is equal to a basic diameter of the keratoconus. The whole duration of the ultraviolet exposure involves additional instillations of riboflavin on the cornea every 3-4 minutes. The exposure is characterised by wavelength 365 nm, power 3.0 mWt/cm² at 50 mm for 30 minutes with the ring to be removed after the exposure is completed.

EFFECT: method is easy to implement, involves no difficulties for specialists, providing higher clinical effectiveness by limiting the ultraviolet exposure area, preventing the ultraviolet involvement of the limb and reducing a risk of postoperative complications.

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