ZEISS Contact Day 30

ZEISS Contact Day 30

spheric

DIA

corneal diamter + 2.0 mm
(variation of 0.5 mm possible)

BC

flat corneal meridian > 8.00 // BC = 8.8/8.9,
flat corneal meridian < 8.00 // BC = 8.6

D

sphere +1/2 cylinder calculate both main meridians to vertext distance = 0

ZEISS Contact Day 30

toric

DIA

corneal diamter + 2,5 mm
(variation of 0.5 mm possible)

BC

add 0.7 mm to flat corneal meridian
(variation of +/- 0.3 mm possible)

D

sphere +1/2 cylinder calculate both main meridians to vertext distance = 0

ZEISS Contact Day 30 compatic

ZEISS Contact Day 30 compatic

spheric

DIA

corneal diameter + 2.0 mm
(variations of 0.5 mm possible,
also with prominent CSP,
small corneal diameters or poor mobility,
change to 13.6)

BC

flat corneal meridian > 8.0 mm // BC = 8.8/8.9,
flat corneal meridian ≤ 8.0 mm // BC = 8.6

D

sphere +1/2 cylinder calculate to vertex distance=0

ZEISS Contact Day 30 compatic

toric

DIA

corneal diameter + 2.5 mm
(variation of 0.5 mm possible,
ZEISS compatic toric fit tendencially smaller,
ZEISS air_toric fit tendencially bigger)

BC

add 0.7 mm to flat corneal meridian
(variation of +/– 0.3 mm possible)

D

sphere +1/2 cylinder calculate both main meridians to vertex distance = 0

ZEISS Contact Day 30 air

ZEISS Contact Day 30 air

spheric

DIA

corneal diameter + 2.0 mm
(variations of 0.5 mm possible)

BC

flat corneal meridian > 8.0 mm // BC = 8.8
flat corneal meridian < 8.0 mm // BC = 8.5

D

sphere + 1/2 cylinder calculate to vertex distance=0

ZEISS Contact Day 30 air

toric

DIA

corneal diameter + 2.5 mm
(variation of 0.5 mm possible,
ZEISS compatic toric fit tendencially smaller,
ZEISS air toric fit tendencially bigger)

BC

add 0.7 mm to flat corneal meridian
(variation of +/– 0.3 mm possible)

D

sphere + 1/2 cylinder calculate both main meridians to vertex distance = 0

ZEISS Contact Day 30 colours

ZEISS Contact Day Colours

colours

DIA

DIA corneal diameter + 2.0 mm
(variation of 0.5 mm possible)

BC

flat corneal meridian > 8.0 mm // BC = 8.8 / 8.9,
flat corneal meridian < 8.0 mm // BC = 8.6

D

sphere + 1/2 cylinder calculate both main meridians to vertex distance = 0

ZEISS Contact Day 1

ZEISS Contact Day 1 - spheric

ZEISS Contact Day 1

spheric

DIA

corneal diameter +2.00 (+/-0.50 mm)

BC

add 1.00 mm to medium corneal meridian (+/-0.30 mm)

D

sphere + 1/2 cylinder of current eyesight test at VD = 0

ZEISS Contact Day 1 - multifocal

ZEISS Contact Day 1

multifocal

DIA

corneal diameter +2.0 (+/-0.5 mm)

BC

add 1.0 mm to shallow corneal meridian (+/-0.3 mm)

D

sphere + 1/2 cylinder of current eyesight test at VD = 0 or dioptric reference value of single-vision version

ZEISS Contact Day 1 - toric

ZEISS Contact Day 1

toric

DIA

corneal diameter +2.0 (+/-0.5 mm)

BC

add 1.0 mm to shallow corneal meridian (+/-0.3 mm)

D

convert both principal meridians of current eyesight test to VD = 0

ZEISS Contact Day 1

easy wear

DIA

corneal diameter + 2.0 mm
(variation of 0.5mm possible)

BC

add 0.7 mm to flat corneal meridian
(variation of +/– 0.3 mm possible)

D

sphere + 1/2 cylinder calculate to vertex distance = 0