PATIENT:     EYE:
    DOCTOR'S PREFERENCES:       RING DIAMETER:               RING ARC LENGTH:(instruction)

KERATOMETRY (instruction)

 ectasic distribution type:  (instruction)

 

Power (D)

Axis (o)

Very
asymmetric

25/75%

At least 75% of the ectasic area restricted in a corneal half. 

K1

Moderately
asymmetric

33/66%

 ⅔ of the ectasic area (66%) is restricted in a corneal half

K2

Symmetric

50/50%

The steepest meridian divides the ectasic area into equal parts

       

REFRACTION (instruction)

BSCVA

PACHYMETRY μm (instruction)

Spheric (D)

Cilinder(D)

Axis (o)

decimal scale

at the incision site

tunnel thinnest point

   

RESULTS REPORT

Attention: This Calculator is only a general guide. Make your personal adjustment. Using this software, you agree that you are the only one doctor responsible to the results. Constructed by Frederico Bicalho MD PhD.
Thinnest:

Use  segment(s):
Thickest:
Incision Position (meridian): o
Incision depth (manual technique): μm
Tunnel depth (femtolaser technique): μm
RESULT PREDICTION Analysis for a good surgical indication (instruction)
  Pre op (D) Post op (D) K max BSCVA Astig value Astig axis Astig Coer
Km
Sph Eq