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OptiSpheric® IOL

  • IOL Lens의 Diopter Power, EFL(Effective Focal Length), BFL(Back Focal Length), MTF(Modulation Transfer Function), R(Radius of Curvature), 편심 등을 측정할 수 있는 장비이다.
  • 2. OptiSpheric® IOL

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OptiSpheric® IOL

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OptiSpheric® IOL Applications

  •  Diopter Power
  •  Resolution Efficiency
  •  MTF-Measurement
  •  Back Focal Length
  •  Radius of Curvature

OptiSpheric® IOL Specifications

Instrument Measuring range
EFL Dioptric Power BFL and Radius MTF

OptiSpheric IOL
OS IOL Tray TT

OS IOL Tray SA

 

+3 .....+500 mm

-3 ..... -500 mm

+5 .....+300 D

-5 ..... -300 D
±3 .....±400mm

absolute MTF-Test: 5...75 mm EFL

relative MTF-Test : 5-500 mm EFL

OptiSpheric IOL
OS IOL Tray TT

OS IOL Tray SA

 

+3 .....+500 mm

-3 ..... -500 mm

+5 .....+300 D

-5 ..... -300 D
±3 .....±400mm

absolute MTF-Test: 5...75 mm EFL

relative MTF-Test : 5-500 mm EFL
System preformance EFL
Resolution 0.03...0.2%
Measurement Accuracy

5...25 mm: . . . . . . . . . . . . . . . . . . . . . . . .0.1%...0.3%
25...500 mm: . . . . . . . . . . . . . . . . . . . . . .0.03%...0.1%

500...1000 mm: . . . . . . . . . . . . . . . . . . .a 0.05%...0.3%
Measurement Time EFL Autofocus

Autofocus: First measurement:5-6 sec

Next measurements: 3-5 sec
POWER
Repeatability 0.03...0.2%
Measurement Accuracy

5...40 Diopter: . . . . . . . . . . . . . . . . . . . . . .+/-0.1%
40...200 Diopter: . . . . . . . . . . . . . . . . . . . .+/-0.12%

>200 Diopter: . . . . . . . . . . . . . . . . . . . . . .+/-0.2%

 

Measurement Time Dioptric Power Autofocus

Measurement Time Dioptric Power Autofocus: First measurement:5-6 sec

Next measurements: 3-5 sec

 

Measurement Time for complete IOL

characterization EFL

Monofocal: < 15 sec

Multifocal: < 45 sec
MTF
Wavelength range 400-1000nm
Spatial frequency 0-500 lp/mm-higher frequencies available on request
MTF-Measurement / Slit evaluation
Repeatability ±0.01 MTF
Accuracy ±0.02 MTF
BFL, FFL and Radius of curvature
Repeatability ±0.01 MTF
0.02 to 0.2% 0.03 to 0.3%