Barrett True-K Toric Calculator V2.0

Barrett True-K Toric Calculator K Index 1.3375 K Index 1.332 +ve Cylinder-ve Cylinder

for prior myopic or hyperopic lasik/prk/rk + KC

Patient Data
K Calculator
Toric IOL
Calculator Guide

Right (OD) Left (OS) Optional: K1 K2 IOL

Enter Data and Calculate

Doctor Name		Patient Name	Required Field	Patient ID
Lens Factor	(-2.0~5.0) Outside Range	A Constant	(112~125) Outside Range

History
Pre-Lasik Ref.		Post-Lasik Ref.

Select Right or Left

Flat K

Required

(30~60 D)

Outside Range

Flat Axis

Required

(0~180 D)

Outside Range

Steep K

Required

(30~60 D)

Outside Range

Steep Axis

Required

(0-180 D)

Outside Range

Axial Length

Required

(12~38 mm)

Outside Range

Optical ACD

Required

(0.0~6.0 mm)

Outside Range

Target Refraction

Required

Outside Range

Incision SIA

Required

(0.0~2.0 D)

Outside Range

Incision Location

Required

(0~360 D)

Outside Range

Lens Thickness

(2.0~8.0 mm)

Outside Range

WTW

(8~14 mm)

Outside Range