Combined Intracorneal Ring Segments and Corneal-Collagen Crosslinking - Ophthalmology & Vision Research
Keratoconus (KCN) is a bilateral, progressive,
non-inflammatory corneal disease of which etiology is not completely
understood. If left untreated, it may lead to significant visual impairment due
to irregular astigmatism. Corneal crosslinking (CXL) is currently the only
treatment option that halts the progression of the disease and may help avoid
corneal transplantation. Although it may not improve visual acuity (VA), CXL
can be combined with refractive procedures such as intracorneal ring segment
(ICRS) implantation to achieve a better postoperative outcome. The sequence of
treatment is a cause of discussion. Some believe sequence is not important with
halted progression and improvement in refractive outcome achieved regardless,
while different studies have shown the superiority of ICRS implantation
followed by either concurrent of sequential CXL.
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