Browse clear starter information in the keratoconus and irregular corneas category.
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An irregular corneal surface can distort vision in ways that ordinary spectacles or soft lenses do not fully correct.
Read informationKeratoconus changes the shape of the cornea and can make vision blurred or distorted. Learn how assessment, specialist lenses and ophthalmology care may connect.
Read informationCorneal or refractive surgery can leave a changed or irregular optical surface that needs careful assessment when vision is not meeting expectations.
Read informationWhat an irregular corneal surface means, why spectacles may not fully correct it and how assessment guides optical and referral pathways.
Read informationA plain-language introduction to keratoconus, how corneal shape can affect vision and why optical correction and progression care are separate questions.
Read informationA specialist assessment can explore the cause, visual effect and whether a custom optical correction may be appropriate.
Read informationAn assessment can explore your visual needs, current correction and possible specialist-lens options while keeping medical or surgical care with the appropriate ophthalmologist.
Read informationPost-surgical visual concerns need a whole-eye assessment and may require coordination with the operating or another ophthalmologist.
Read informationConnect corneal shape, irregular optics and the role of specialist lens care.
Read informationConnect corneal shape, irregular optics and the role of specialist lens care.
Open interactive labThe cornea is the clear front surface of the eye. It bends incoming light and contributes significantly to focusing.
Explore toolCompare simplified lens-on-eye designs and explore lens care.
Explore toolCompare simplified lens-on-eye designs and explore lens care.
Explore toolCorneal shape, irregular optics and specialist lens care, with monitoring and optical correction considered separately.
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