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Shammas post Lasik A-constant and Corneal reading conversion




Below is to quickly convert the post Lasik Corneal reading and IOL constant conversion to pACD or (C constant ) for Shammas-PL formula. Shammas PL formula is based on no history method. If you already have patient's pre lasik data then you may also follow Shamma's refraction derived corrected Keratometric value. The below is for paitent's who do not have any data.

Aconstant and post Lasik corneal power conversion for Shammas Post Lasik Formula - quickguide.org

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Educational Purpose Only
The content provided on quickguide.org is intended solely for educational and informational purposes and is designed for eye‑care professionals, trainees, and industry professionals with relevant clinical or technical background.
 No Medical Advice
The information on this website does not constitute medical advice, diagnosis, treatment recommendations, or clinical protocols. It should not be used as a substitute for professional training, clinical judgment, manufacturer instructions for use (IFU), or institutional guidelines.
Clinical Responsibility
All clinical decisions, including but not limited to biometry measurements, IOL power calculations, formula selection, and surgical planning, remain the sole responsibility of the treating clinician. Users are expected to independently verify data and apply appropriate professional judgment.

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