Ask Dr. Ross

CRT University

CRT Topo

Everything you need to know about CRT Molds...and more!

CRT, or corneal refractive therapy,  is defined as the use of rigid gas-permeable corneal molds to improve vision through the reshaping of the cornea. These molds are typically worn only at night. This corneal reshaping method can be used as an alternative to eyeglasses, refractive surgery, or for those who prefer not to wear contact lenses during the day.

HOW DOES CRT WORK?

CRT uses computer designed corneal molds to gently and gradually reshape the front surface of the eye (the cornea) to eliminate or reduce nearsightedness and moderate amounts of astigmatism. While similar to contact lenses, the molds are worn only at nighttime during sleep. They are then removed upon awakening to provide clear vision without using glasses or contact lenses! The Corneal Molds are comfortable, easy to care for, and offer relief from the problems sometimes associated with full time contact lens wear like dryness and things getting on or under the lenses.

TREATMENT BEGINS WITH CRT  Without a doubt, starting CRT is one of the most exciting things you can do. One day you’re wearing glasses and the next you’ve forgotten how you used to see prior to your treatment.

Patient expectations are by far the largest factor leading to a successful outcome. Those who wish to have clear, functional vision; be free of glasses and daytime contact lenses; and either slow down or arrest their children’s progressive myopia will find CRT to be a fantastic treatment. CRT has been referred to as a “miracle” or “science fiction” based on its life changing and vision enhancing outcomes -- this is not an exaggeration.  Most often, parents and patients are asking, “Why have I not heard of this sooner?”

The following references will help you learn more about CRT and how to be a successful CRT wearer.  Enjoy!

CRT Resource: Paragon CRT instructional website reference

Application and removal video:


Wear/Care Instructions:

 Corneal Refractive Therapy Mold Care Instructions

  1. Always wash and dry your hands before handling CRT molds
    • Use a lint free towel to dry hands to avoid debris build up on molds
  2. Use only the cleaning/storage solutions prescribed by our office.  Do not change solutions unless you have been approved by our office to do so
    • Solutions:  Menicon Unique PH, Boston Simplus OR ClearCare
  3. Make sure to clean your molds every day and store in fresh solution.  Never re-use your solution.  (It is preferred to store and handle your molds outside of the bathroom to avoid potential contamination).
  4. Make sure to change your storage case whenever starting a new bottle of solution – please note, sample solution and cases are ALWAYS available at the clinic, just stop by if you are in need!
  5. Deep clean your molds at least every 3-6 months – we will do it for you, just drop them off at the office!
    • Deep Cleaning:  Progent by menicon
  6. NEVER, NEVER, NEVER expose your molds to tap water – not to soak, not to rinse, not to store – NEVER!
  7. Always use a lubricating eye drop when applying the molds to the eye at nighttime, and when removing the molds from the eye in the morning
    • Lubricating Drop:  Natural Ophthalmics Thin-Ortho K OR blink-n-clean lens drops for RGP lenses
  8. Never insert a mold if the eye is red or irritated
  9. If your mold is irritating your eye
    • Remove the mold.  Rinse with UniquePH or lubricating drop.  Re-apply.  If still irritated, skip mold wear for that night and call us.  When in doubt, leave them out!
    • Always call our office (262-421-4412) if any continued pain, redness, light sensitivity, or change in vision occurs.  We are available to triage your concerns, 24/7.

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