Calculator (Reinstein formula v3, Sept 2022)

Updated to Reinstein formula version 3.2, based on an analysis of 616 eyes.

Doctor Details

Doctor name *
Data entered by *

Patient Details

Patient Name *
Patient ID *
Patient DOB *
Patient Age *
Please fill all the above fields to use calculator!
Reinstein formula v3.2 data input OD OS
Ciliary body inner diameter (CBID) measured CB-to-CB
Sulcus-to-sulcus lens rise (STSL)
Pupil size (Scotopic)
Maximum myopic lens sphere power from OCOS
(for myopia = lens sphere, for hyperopia = lens sphere + cylinder)
Data input for other formulas OD OS
White-to-white (WTW)
Anterior chamber depth (ACD)
Anterior chamber angle (ACA) measured in degrees
Angle-to-angle (ATA)
Anterior chamber width (ACW) measured scleral spur to scleral spur
Angle recess-to-angle recess lens rise (CLR)
Sulcus-to-sulcus (STS)
* indicates the value entered falls more than 2 standard deviations outside of the LoVC study population range.
Reinstein ICL Sizing Formula V3.2 OD OS
Reinstein12.1
12.6
13.2
13.7
External formulas OD OS
Kojima
Dougherty
Nakamura
Nakamura12.1
12.6
13.2
13.7
Disclaimer
The ICL Sizing Calculator is meant to serve as an adjunct tool to assist Clinicians in selecting the appropriate ICL size for a particular patient. It is intended to be used in conjunction with a comprehensive ophthalmic examination and the appropriate diagnostic tests and measurements necessary for Phakic ICL candidates. The results obtained by the calculator are not intended to serve as medical or surgical instruction , or be definitive; nor can guarantee that the results will be accurate in every case. Clinicians who use the calculator must arrive at their own independent determinations regarding the proper treatment for their patients and are solely responsible for the outcome. By using the ICL Calculator, you agree to waive and hold authors harmless from any claims you may have arising out of your use of this tool.