![ZEISS IOLMaster optical biometers]({"small":"https://images.zeiss.com/med/ref_international/products/essential-line-basic-diagnostics/visuphor-500-and-visuscreen-100-500/image/zeiss_iolmaster_optical_biometers.ts-1566568722447.jpg?auto=compress%2Cformat&fm=png&ixlib=java-1.1.11&rect=29%2C50%2C920%2C920&w=640&s=b7889537e860456dffb6566256553bf1","large":"https://images.zeiss.com/med/ref_international/products/essential-line-basic-diagnostics/visuphor-500-and-visuscreen-100-500/image/zeiss_iolmaster_optical_biometers.ts-1566568722447.jpg?auto=compress%2Cformat&fm=png&ixlib=java-1.1.11&rect=29%2C50%2C920%2C920&w=1280&s=3ce207fc0e86ed91454ba144074c99bf","medium":"https://images.zeiss.com/med/ref_international/products/essential-line-basic-diagnostics/visuphor-500-and-visuscreen-100-500/image/zeiss_iolmaster_optical_biometers.ts-1566568722447.jpg?auto=compress%2Cformat&fm=png&ixlib=java-1.1.11&rect=29%2C50%2C920%2C920&w=832&s=338b8c09a729fbb185cdd326718409ec","full":"https://images.zeiss.com/med/ref_international/products/essential-line-basic-diagnostics/visuphor-500-and-visuscreen-100-500/image/zeiss_iolmaster_optical_biometers.ts-1566568722447.jpg?auto=compress%2Cformat&fm=png&ixlib=java-1.1.11&rect=29%2C50%2C920%2C920&w=1920&s=7905a542df68c39f66e17e124c8dc036"} "ZEISS IOLMaster optical biometers")
ZEISS Optical Biometers Defining biometry for 20 years
20 years ago, ZEISS introduced the first optical biometer and revolutionized IOL power calculations. Since then IOLMaster® biometers from ZEISS have become the most commonly used biometers in the ophthalmic world with more than 150 million IOL power calculations to date.
Defining biometry
… did you know?
Optical biometers from ZEISS for all your needs
![Optical biometer ZEISS IOLMaster 700]({"small":"https://images.zeiss.com/Meditec/ref_master/campaigns/dx-for-cataract/iolmaster-700-related-product-dx-cat.ts-1561508226386.jpg?auto=compress%2Cformat&fm=png&ixlib=java-1.1.11&rect=175%2C0%2C532%2C532&w=640&s=c138eca979ffb8479196fcb8480063f7","large":"https://images.zeiss.com/Meditec/ref_master/campaigns/dx-for-cataract/iolmaster-700-related-product-dx-cat.ts-1561508226386.jpg?auto=compress%2Cformat&fm=png&ixlib=java-1.1.11&rect=175%2C0%2C532%2C532&w=1280&s=17b8e6f03686869f364625c69c1021e2","medium":"https://images.zeiss.com/Meditec/ref_master/campaigns/dx-for-cataract/iolmaster-700-related-product-dx-cat.ts-1561508226386.jpg?auto=compress%2Cformat&fm=png&ixlib=java-1.1.11&rect=175%2C0%2C532%2C532&w=832&s=a12451ed6f96f89ace149b9e1e816e3b","full":"https://images.zeiss.com/Meditec/ref_master/campaigns/dx-for-cataract/iolmaster-700-related-product-dx-cat.ts-1561508226386.jpg?auto=compress%2Cformat&fm=png&ixlib=java-1.1.11&rect=175%2C0%2C532%2C532&w=1920&s=a5b85dcba9184f1bdf8c96d78e41b7ba"} "Optical biometer ZEISS IOLMaster 700")
ZEISS IOLMaster 700
Featuring Total Keratometry (TK®), this SWEPT Source OCT optical biometer is made for cataract surgeons implanting toric or multifocal IOLs that require superior measurements.
![Optical biometer ZEISS IOLMaster 500]({"small":"https://images.zeiss.com/Meditec/ref_master/products/iolmaster-500/images/iolmaster_500_transparent_1000x1005.ts-1528723586732.png?auto=compress%2Cformat&fm=png&ixlib=java-1.1.11&rect=10%2C0%2C894%2C894&w=640&s=95f2aa892dbb1a32e83462a4da991e24","large":"https://images.zeiss.com/Meditec/ref_master/products/iolmaster-500/images/iolmaster_500_transparent_1000x1005.ts-1528723586732.png?auto=compress%2Cformat&fm=png&ixlib=java-1.1.11&rect=10%2C0%2C894%2C894&w=1280&s=a2d61f050ba82eb29f50c94958dc715b","medium":"https://images.zeiss.com/Meditec/ref_master/products/iolmaster-500/images/iolmaster_500_transparent_1000x1005.ts-1528723586732.png?auto=compress%2Cformat&fm=png&ixlib=java-1.1.11&rect=10%2C0%2C894%2C894&w=832&s=72e60b07ebf87a317d90c75e0ec4040c","full":"https://images.zeiss.com/Meditec/ref_master/products/iolmaster-500/images/iolmaster_500_transparent_1000x1005.ts-1528723586732.png?auto=compress%2Cformat&fm=png&ixlib=java-1.1.11&rect=10%2C0%2C894%2C894&w=1920&s=672996039e3f08fd8da7df22e1b3cb6d"} "Optical biometer ZEISS IOLMaster 500")
ZEISS IOLMaster 500
The continually refined gold standard in optical biometry is designed for cataract surgeons looking for a fast, reliable and easy-to-use optical biometer with a great price-to-value ratio.
Comparison of ZEISS optical biometers
| ZEISS IOLMaster 700 | ZEISS IOLMaster 500 | |
|---|---|---|
Technological basis |
SWEPT Source OCT, image-based B-scan biometry |
Partial coherence interferometry (PCI), A-scan biometry |
IOL calculation formulas |
Licence Total Keratometry1: Barrett TK Universal II and Barrett TK Toric; Barrett Suite2 (includes Barrett Toric, Barrett True-K & Barrett Universal II); Haigis Suite (includes Haigis, Haigis-L, Haigis-T); Hoffer® Q, Holladay 1 and 2, SRK®/T |
Haigis, Haigis-L, Hoffer® Q, Holladay 1 and 2, SRK® II, SRK® / T |
Ease of use |
Traffic light indicators, automatic mode, plausibility checks, multi-touch screen |
Traffic light indicators, automatic mode, plausibility checks |
Cataract penetration rate |
> 99%3 |
> 93%3 |
Measurement speed for two eyes |
< 45 sec4 |
< 60 sec4 |
Keratometric measurement |
Telecentric (3 zones), anterior & posterior (Total Keratometry) |
Telecentric, anterior |
Fixation Check |
|
– |
Patented Cornea-to-Retina Scan |
|
– |
Lens thickness |
|
– |