C3R: Strengthening Corneas, Treating Keratoconus with MediBuddy

C3R: Strengthening Corneas, Treating Keratoconus with MediBuddy

Corneal Collagen Cross-Linking (C3R or CXL) is a minimally invasive procedure designed to strengthen a weakened cornea, primarily to halt the progression of conditions like keratoconus or post-LASIK ectasia.

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What Is It

The procedure uses riboflavin (vitamin B2) eye drops and ultraviolet (UV-A) light to create new cross-links between collagen fibers in the cornea, making it stiffer and more stable.

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Enhanced Quality of Care

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Treatment Benefits

Halts or slows progression of keratoconus/ectasia; Strengthens corneal structure; May prevent need for corneal transplant later; Can make cornea more suitable for contact lens wear or future vision correction procedures.

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  • Convenient & User-Friendly: Get all our services you need in one place.

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  • Convenient & User-Friendly: Get all our services you need in one place.

  • 24x7 Healthcare Access: Healthcare is just a tap away with the MediBuddy App. Enjoy round-the-clock access to medical professionals and services.

  • Comprehensive Health Solutions: From booking doctor appointments, to ordering medicines, booking a lab test and managing health records, do it all from the comfort of your home.

  • Secure and Reliable: Your health data is encrypted and stored securely, ensuring peace of mind.


  • Convenient & User-Friendly: Get all our services you need in one place.

  • 24x7 Healthcare Access: Healthcare is just a tap away with the MediBuddy App. Enjoy round-the-clock access to medical professionals and services.

  • Comprehensive Health Solutions: From booking doctor appointments, to ordering medicines, booking a lab test and managing health records, do it all from the comfort of your home.

  • Secure and Reliable: Your health data is encrypted and stored securely, ensuring peace of mind.

What to expect after Surgery

Corneal strengthening and stabilization; Halting of keratoconus/ectasia progression in most cases. Vision may temporarily worsen then gradually stabilize or slightly improve over months.

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Dr Prarthna Anand

Ophthalmology

9 Years

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Dr Basheer

Ophthalmology

5 Years

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Dr Vishrut Bharti

Ophthalmology

9 Years

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Frequently asked questions

What is C3R/CXL?

What is C3R/CXL?

A procedure using riboflavin (vitamin B2) and UV-A light to strengthen cornea, primarily to stop progression of keratoconus.

A procedure using riboflavin (vitamin B2) and UV-A light to strengthen cornea, primarily to stop progression of keratoconus.

Does C3R improve vision?

Does C3R improve vision?

Primary goal is to halt progression and stabilize cornea. It doesn't significantly reverse existing vision distortion from keratoconus, though some mild improvement or stabilization is possible over time. Glasses/contacts still often needed for best vision from [Your Clinic Name].

Primary goal is to halt progression and stabilize cornea. It doesn't significantly reverse existing vision distortion from keratoconus, though some mild improvement or stabilization is possible over time. Glasses/contacts still often needed for best vision from [Your Clinic Name].

Is it painful?

Is it painful?

Epi-off CXL: Numbing drops used. Some discomfort/pain/light sensitivity for few days post-op as epithelium heals. Managed with meds/bandage contact lens from MediBuddy. Epi-on may have less discomfort.

Epi-off CXL: Numbing drops used. Some discomfort/pain/light sensitivity for few days post-op as epithelium heals. Managed with meds/bandage contact lens from MediBuddy. Epi-on may have less discomfort.

How long does it take?

How long does it take?

Procedure takes about 1-1.5 hours (including riboflavin soaking). Vision recovery takes days to weeks. Full effect on corneal stability takes months.

Procedure takes about 1-1.5 hours (including riboflavin soaking). Vision recovery takes days to weeks. Full effect on corneal stability takes months.

What are risks?

What are risks?

Corneal haze (usually temporary), infection (rare), delayed epithelial healing, inflammation, temporary vision changes. Risks minimized by experienced MediBuddy specialists.

Corneal haze (usually temporary), infection (rare), delayed epithelial healing, inflammation, temporary vision changes. Risks minimized by experienced MediBuddy specialists.

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