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

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

Enter Data and Calculate

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

History
Pre-Lasik Ref.		Post-Lasik Ref.

Select Right or Left

Flat K

(30~60 D)

Flat Axis

(0~180 D)

Steep K

(30~60 D)

Steep Axis

(0-180 D)

Axial Length

(12~38 mm)

Optical ACD

(0.0~6.0 mm)

Target Refraction

Incision SIA

(0.0~2.0 D)

Incision Location

(0~360 D)

Lens Thickness

(2.0~8.0 mm)

WTW

(8~14 mm)