What is Orthokeratology?

CRT (Corneal Refractive Therapy) and Accelerated Orthokeratology is an approved non-surgical method that can reduce and even eliminate myopia (nearsightedness) & astigmatism.


CRT / Orthokeratology is an effective alternative procedure for anyone with myopia and astigmatism.

lens therapy program employs specialized contact shaping lenses that normalize the cornea (shape, curvature & power) while worn during sleep, resulting in better vision without glasses and contact lenses during waking hours.


The CRT / Orthokeratology contact shaping lenses are the result of a remarkable technological breakthrough.


Their highly permeable material is approved for overnight wear.

Their unique design gently reshapes the cornea to bring the eye into correct focus. To maintain the correction, retainer lenses must be worn regularly while sleeping.


Important Facts to Know:

CRT/ Orthokeratology is a non-surgical vision improvement treatment.

vision will improve very rapidly in the first few days & weeks.

This procedure is convenient and comfortable.



PR NO: 0158569

Dros Centre, Ermelo, South Africa

Tel: 017 811 2363

E-mail: ermelo@lzoptometrists.co.za


PR NO: 0413569

Spur Centre, Bethal, South Africa

Tel: 017 647 2820/2805

E-mail: bethal@lzoptometrists.co.za

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