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eLens Ordering Code

For Orthokeratology beginner, E & E Optics in Hong Kong highly recommend eLens inventory System. Doctor only need to match the patient’s K reading and Rx to the inventory chart, The left column is the minus prescription and the patient’s flattest K is across the top. The lens at the intersection should be the best initial lens to place order.

EXAMPLE:

Rx -4.00/-0.50 X 170

K reading: 43.18 / 44.03

The top row of the inventory chart stands for patient’s flattest K, 43.00=H, the lens prescription should be H400. We will cut the standard eLENS for patient with flat K 43.00 and -4.00D myopia. If the lens fitting is not satisfactory, you need to verify the Rx, K reading, and Len BC etc and order another lens according. You should clean and keep the first lens as trial lens for future use.

(for PDF of chart, click here)

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