{"id":1954,"date":"2026-10-20T08:54:12","date_gmt":"2026-10-20T08:54:12","guid":{"rendered":"https:\/\/laseristanbulclinic.com\/eye-health\/keratoconus-cornea\/keratoconus-in-children-and-teenagers-why-early-cxl-matters\/"},"modified":"2026-10-20T12:59:09","modified_gmt":"2026-10-20T12:59:09","slug":"keratoconus-in-children-and-teenagers-why-early-cxl-matters","status":"publish","type":"page","link":"https:\/\/laseristanbulclinic.com\/en\/eye-health\/keratoconus-cornea\/keratoconus-in-children-and-teenagers-why-early-cxl-matters\/","title":{"rendered":"Keratoconus in children and teenagers"},"content":{"rendered":"\n
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  1. Home: eye surgery in Istanbul<\/a><\/li>
  2. Knowledge centre<\/a><\/li>
  3. Keratoconus & cornea guides<\/a><\/li>
  4. Keratoconus in children and teenagers<\/span><\/li><\/ol><\/div>\t\t\t

    Keratoconus in Children and Teenagers: Why Early Cross-Linking (CXL) Matters<\/h1>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t
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    \"Close-up<\/figure>\n\t\t\t\t\t\t\t\t\t

    Keratoconus in children and teenagers tends to be more advanced at diagnosis and to progress faster than in adults, so waiting can cost vision. Corneal cross-linking (CXL) stiffens the cornea and stopped progression in most young patients in a randomised trial: 7% of treated eyes progressed against 43% with standard care. At Laser Istanbul Clinic, CXL is performed by Do\u00e7. Dr. Muhammet Derda \u00d6zer (Do\u00e7. = Associate Professor), our cornea specialist.<\/p><\/div>\n\t\t\t\t\t<\/div>\n\t<\/div><\/div>\n<\/section>\n\n\n\n\n

    What is keratoconus in children, and why is it different from adult keratoconus?<\/h2><\/div>

    Keratoconus is a condition in which the cornea, the clear dome at the front of the eye, gradually thins and bulges forward into a cone shape. Light no longer focuses cleanly, so vision becomes blurred and distorted and glasses stop working well. In children and teenagers it is a particular worry for one reason: the younger the patient, the faster it is likely to progress.<\/p>\n

    According to EyeWiki, the clinical encyclopedia of the American Academy of Ophthalmology (AAO), keratoconus typically begins in early adolescence and keeps progressing into the mid-20s and 30s. Disease that starts in childhood is “more likely to be advanced at diagnosis” and to show faster progression than adult disease, and children may need repeat treatment or even a transplant over a longer lifetime of risk. The AAO’s patient pages describe the usual start as the late teens to early 20s, with vision worsening over 10 to 20 years. A 2024 review in Community Eye Health<\/em> calls young age the most important factor for progression: the cornea naturally stiffens with age, and progression is unusual after people reach their mid-30s.<\/p>\n

    How common is it? There is no reliable figure for children alone. For all ages, EyeWiki gives a prevalence often reported as 1 in 700, while a Dutch nationwide registry study of 4.4 million insured people, using modern corneal imaging, found about 1 in 375, with an average age at diagnosis of 28.3 years. That gap between the usual age of onset and the usual age of diagnosis suggests that many young people have keratoconus for years before anyone finds it.<\/p>\n

    Do\u00e7. Dr. \u00d6zer’s own research shows how far the disease can have gone by the time a child is treated. In his 2019 study in Cornea<\/em> of 35 eyes in 23 patients aged 11 to 14 with progressive keratoconus, 29% of eyes (10 of 35) were already at stage 3 or 4 (of 4) when they were treated.<\/p><\/div><\/div><\/div><\/div><\/div><\/section>\n\n\n\n\n

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    What causes keratoconus in kids, and who is at higher risk?<\/h2><\/div>

    The exact cause is not known, but several risk factors are well established, and some can be controlled:<\/p><\/div><\/div>\t\t\t\t