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Barrett Universal II Formula
K Index 1.3375
K Index 1.332
Patient Data
Universal Formula
Formula Guide
Enter Data and Calculate
Doctor Name
Patient Name
Required Field
Patient ID
Lens Factor
(-2.0~5.0)
Outside Range
or A Constant
(112~125)
Outside Range
Personal Constant
Alcon SN60WF
Alcon SN6AD
Alcon SN6ATx
Alcon SND1Tx
Alcon SV25Tx
Alcon SA60AT
Alcon MN60MA
AMO ZCB00
AMO ZCT
AMO AR40e
AMO AR40M
Zeiss 409M
Zeiss 709M
Hoya iSert 251
Hoya iSert 351
Bausch & Lomb MX60
Bausch & Lomb BL1UT
Bausch & Lomb LI60AO
Measurements:
OD
OS
Axial Length
(R)
(12~38 mm)
Outside Range
Axial Length
(L)
(12~38 mm)
Outside Range
Measured K1
(R)
(30~60 D)
Outside Range
Measured K1
(L)
(30~60 D)
Outside Range
Measured K2
(R)
(30~60 D)
Outside Range
Measured K2
(L)
(30~60 D)
Outside Range
Optical ACD
(R)
(0~6 mm)
Outside Range
Optical ACD
(L)
(0~6 mm)
Outside Range
Refraction
(R)
(-10~10 D )
Outside Range
Refraction
(L)
(-10~10 D)
Outside Range
Optional:
Lens Thickness
(R)
(2~8 mm)
Outside Range
Lens Thickness
(L)
(2~8 mm)
Outside Range
WTW
(R)
(8~14 mm
Outside Range
WTW
(L)
(8~14 mm)
Outside Range