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is a free consulting service for ZEISS IOL customers providing a second expert opinion even for challenging patient conditions based on patented ZEISS IOL algorithms and adhering to strict quality standards.
Availability
Our service is offered globally. Our standard communication languages are English and German.
Quality check
We adhere to ZEISS quality standards: Each calculation request is verified by two professional IOL Calculation Consultants.
Service time
We aim to answer each request within two working days (48h).
Providing confidence
by leveraging patented ZEISS IOL calculation algorithm
When starting with implanting any new IOL, having reliable refractive outcomes is essential for your patient. The ZEISS IOL Power Calculation Service is using a proprietary ZEISS IOL calculation algorithm – uniquely incorporating lens design specifics of each ZEISS IOL.
Both, the ZEISS Z CALC and Barrett Universal II used with IOLMaster TK® yield very accurate IOL power calculations and can be used interchangeably if required.
Supporting you in challenging cases
by personalized expert opinion
When confronted with challenging cases our expert team is committed to helping you accurately calculate ZEISS IOLs – adhering to strict ZEISS quality standards.
The support of the ZEISS IOL Power Calculation Service helps me to improve refractive results for our patients.
Trusted service for ZEISS IOLs
confirmed by outstanding user satisfaction
When asking customer in a recent survey users have expressed very high satisfaction with outcome prediction, response time and the benefit of receiving personalized support1
I have been using the ZEISS IOL Power Calculation Service since I started implanting ZEISS IOLs over 8 years ago. I appreciate the service because of the very competent team and the very fast response time.
Thanks to the extensive knowledge and expertise, ZEISS IOL Power Calculation Service can provide very precise calculations even in complicated cases.
I highly recommend the service to my peers so that you can enjoy as many happy patients post-operatively as I do.
Downloads
IOL Calculation Request Sheet (Corneal irregularities or previous treatments) PDF EN
![ZEISS IOL Power Calculation Service]({"xsmall":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/stage-normal.jpeg/_jcr_content/renditions/original.image_file.100.67.11,0,1630,1080.file/stage-normal.jpeg","small":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/stage-normal.jpeg/_jcr_content/renditions/original.image_file.360.240.11,0,1630,1080.file/stage-normal.jpeg","medium":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/stage-normal.jpeg/_jcr_content/renditions/original.image_file.768.512.11,0,1630,1080.file/stage-normal.jpeg","large":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/stage-normal.jpeg/_jcr_content/renditions/original.image_file.1024.683.11,0,1630,1080.file/stage-normal.jpeg","xlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/stage-normal.jpeg/_jcr_content/renditions/original.image_file.1280.853.11,0,1630,1080.file/stage-normal.jpeg","xxlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/stage-normal.jpeg/_jcr_content/renditions/original.image_file.1440.960.11,0,1630,1080.file/stage-normal.jpeg","max":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/stage-normal.jpeg/_jcr_content/renditions/original.image_file.1619.1079.11,0,1630,1080.file/stage-normal.jpeg"} "ZEISS IOL Power Calculation Service")
![Global communication concept.]({"xsmall":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/adobestock_270047869.jpeg/_jcr_content/renditions/original.image_file.100.56.file/adobestock_270047869.jpeg","small":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/adobestock_270047869.jpeg/_jcr_content/renditions/original.image_file.360.203.file/adobestock_270047869.jpeg","medium":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/adobestock_270047869.jpeg/_jcr_content/renditions/original.image_file.768.432.file/adobestock_270047869.jpeg","large":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/adobestock_270047869.jpeg/_jcr_content/renditions/original.image_file.1024.576.file/adobestock_270047869.jpeg","xlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/adobestock_270047869.jpeg/_jcr_content/renditions/original.image_file.1280.720.file/adobestock_270047869.jpeg","xxlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/adobestock_270047869.jpeg/_jcr_content/renditions/original.image_file.1440.810.file/adobestock_270047869.jpeg","max":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/adobestock_270047869.jpeg/_jcr_content/renditions/original.image_file.1920.1080.file/adobestock_270047869.jpeg"} "Service offered globally")
![Customer experience CX medicine service. Patient jorney and satisfaction. Healthcare review.]({"xsmall":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/adobestock_288956154.jpeg/_jcr_content/renditions/original.image_file.100.56.0,104,2000,1229.file/adobestock_288956154.jpeg","small":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/adobestock_288956154.jpeg/_jcr_content/renditions/original.image_file.360.203.0,104,2000,1229.file/adobestock_288956154.jpeg","medium":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/adobestock_288956154.jpeg/_jcr_content/renditions/original.image_file.768.432.0,104,2000,1229.file/adobestock_288956154.jpeg","large":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/adobestock_288956154.jpeg/_jcr_content/renditions/original.image_file.1024.576.0,104,2000,1229.file/adobestock_288956154.jpeg","xlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/adobestock_288956154.jpeg/_jcr_content/renditions/original.image_file.1280.720.0,104,2000,1229.file/adobestock_288956154.jpeg","xxlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/adobestock_288956154.jpeg/_jcr_content/renditions/original.image_file.1440.810.0,104,2000,1229.file/adobestock_288956154.jpeg","max":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/adobestock_288956154.jpeg/_jcr_content/renditions/original.image_file.1920.1080.0,104,2000,1229.file/adobestock_288956154.jpeg"} "adhering to ZEISS quality standards")
![Cheerful young businesswoman sitting at her workplace]({"xsmall":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/service-time.jpeg/_jcr_content/renditions/original.image_file.100.56.0,67,1280,787.file/service-time.jpeg","small":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/service-time.jpeg/_jcr_content/renditions/original.image_file.360.203.0,67,1280,787.file/service-time.jpeg","medium":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/service-time.jpeg/_jcr_content/renditions/original.image_file.768.432.0,67,1280,787.file/service-time.jpeg","large":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/service-time.jpeg/_jcr_content/renditions/original.image_file.1024.576.0,67,1280,787.file/service-time.jpeg","xlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/service-time.jpeg/_jcr_content/renditions/original.image_file.1280.720.0,67,1280,787.file/service-time.jpeg","xxlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/service-time.jpeg/_jcr_content/renditions/original.image_file.1280.720.0,67,1280,787.file/service-time.jpeg","max":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/service-time.jpeg/_jcr_content/renditions/original.image_file.1280.720.0,67,1280,787.file/service-time.jpeg"} "answering each request within two working days (48h)")
![Surgeon using proprietary ZEISS IOL calculation algorithm]({"xsmall":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/providing-confidence.jpeg/_jcr_content/renditions/original.image_file.100.100.92,0,1051,959.file/providing-confidence.jpeg","small":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/providing-confidence.jpeg/_jcr_content/renditions/original.image_file.360.360.92,0,1051,959.file/providing-confidence.jpeg","medium":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/providing-confidence.jpeg/_jcr_content/renditions/original.image_file.768.768.92,0,1051,959.file/providing-confidence.jpeg","large":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/providing-confidence.jpeg/_jcr_content/renditions/original.image_file.959.959.92,0,1051,959.file/providing-confidence.jpeg","xlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/providing-confidence.jpeg/_jcr_content/renditions/original.image_file.959.959.92,0,1051,959.file/providing-confidence.jpeg","xxlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/providing-confidence.jpeg/_jcr_content/renditions/original.image_file.959.959.92,0,1051,959.file/providing-confidence.jpeg","max":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/providing-confidence.jpeg/_jcr_content/renditions/original.image_file.959.959.92,0,1051,959.file/providing-confidence.jpeg"} "Surgeon using proprietary ZEISS IOL calculation algorithm")
![Dr. Amir Hamid]({"xsmall":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/amir_hamid.jpeg/_jcr_content/renditions/original.image_file.100.100.61,29,692,660.file/amir_hamid.jpeg","small":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/amir_hamid.jpeg/_jcr_content/renditions/original.image_file.360.360.61,29,692,660.file/amir_hamid.jpeg","medium":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/amir_hamid.jpeg/_jcr_content/renditions/original.image_file.631.631.61,29,692,660.file/amir_hamid.jpeg","large":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/amir_hamid.jpeg/_jcr_content/renditions/original.image_file.631.631.61,29,692,660.file/amir_hamid.jpeg","xlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/amir_hamid.jpeg/_jcr_content/renditions/original.image_file.631.631.61,29,692,660.file/amir_hamid.jpeg","xxlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/amir_hamid.jpeg/_jcr_content/renditions/original.image_file.631.631.61,29,692,660.file/amir_hamid.jpeg","max":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/amir_hamid.jpeg/_jcr_content/renditions/original.image_file.631.631.61,29,692,660.file/amir_hamid.jpeg"} "Dr. Amir Hamid")
![Surgeon in patient consultation]({"xsmall":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/iolmaster-700-hero-central-topo-sw.jpg/_jcr_content/renditions/original.image_file.100.100.755,0,1921,1166.file/iolmaster-700-hero-central-topo-sw.jpg","small":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/iolmaster-700-hero-central-topo-sw.jpg/_jcr_content/renditions/original.image_file.360.360.755,0,1921,1166.file/iolmaster-700-hero-central-topo-sw.jpg","medium":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/iolmaster-700-hero-central-topo-sw.jpg/_jcr_content/renditions/original.image_file.768.768.755,0,1921,1166.file/iolmaster-700-hero-central-topo-sw.jpg","large":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/iolmaster-700-hero-central-topo-sw.jpg/_jcr_content/renditions/original.image_file.1024.1024.755,0,1921,1166.file/iolmaster-700-hero-central-topo-sw.jpg","xlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/iolmaster-700-hero-central-topo-sw.jpg/_jcr_content/renditions/original.image_file.1166.1166.755,0,1921,1166.file/iolmaster-700-hero-central-topo-sw.jpg","xxlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/iolmaster-700-hero-central-topo-sw.jpg/_jcr_content/renditions/original.image_file.1166.1166.755,0,1921,1166.file/iolmaster-700-hero-central-topo-sw.jpg","max":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/iolmaster-700-hero-central-topo-sw.jpg/_jcr_content/renditions/original.image_file.1166.1166.755,0,1921,1166.file/iolmaster-700-hero-central-topo-sw.jpg"} "Surgeon in patient consultation")
![Dr. Iveta Nemcova]({"xsmall":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/iveta_nemcova.jpeg/_jcr_content/renditions/original.image_file.100.100.54,118,1252,1316.file/iveta_nemcova.jpeg","small":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/iveta_nemcova.jpeg/_jcr_content/renditions/original.image_file.360.360.54,118,1252,1316.file/iveta_nemcova.jpeg","medium":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/iveta_nemcova.jpeg/_jcr_content/renditions/original.image_file.768.768.54,118,1252,1316.file/iveta_nemcova.jpeg","large":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/iveta_nemcova.jpeg/_jcr_content/renditions/original.image_file.1024.1024.54,118,1252,1316.file/iveta_nemcova.jpeg","xlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/iveta_nemcova.jpeg/_jcr_content/renditions/original.image_file.1198.1198.54,118,1252,1316.file/iveta_nemcova.jpeg","xxlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/iveta_nemcova.jpeg/_jcr_content/renditions/original.image_file.1198.1198.54,118,1252,1316.file/iveta_nemcova.jpeg","max":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/iveta_nemcova.jpeg/_jcr_content/renditions/original.image_file.1198.1198.54,118,1252,1316.file/iveta_nemcova.jpeg"} "Dr. Iveta Nemcova")
![Satisfied patient in consultation]({"xsmall":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/eq_workplace_1_9_patient_consultation_image.jpg/_jcr_content/renditions/original.image_file.100.100.176,0,1224,1048.file/eq_workplace_1_9_patient_consultation_image.jpg","small":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/eq_workplace_1_9_patient_consultation_image.jpg/_jcr_content/renditions/original.image_file.360.360.176,0,1224,1048.file/eq_workplace_1_9_patient_consultation_image.jpg","medium":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/eq_workplace_1_9_patient_consultation_image.jpg/_jcr_content/renditions/original.image_file.768.768.176,0,1224,1048.file/eq_workplace_1_9_patient_consultation_image.jpg","large":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/eq_workplace_1_9_patient_consultation_image.jpg/_jcr_content/renditions/original.image_file.1024.1024.176,0,1224,1048.file/eq_workplace_1_9_patient_consultation_image.jpg","xlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/eq_workplace_1_9_patient_consultation_image.jpg/_jcr_content/renditions/original.image_file.1048.1048.176,0,1224,1048.file/eq_workplace_1_9_patient_consultation_image.jpg","xxlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/eq_workplace_1_9_patient_consultation_image.jpg/_jcr_content/renditions/original.image_file.1048.1048.176,0,1224,1048.file/eq_workplace_1_9_patient_consultation_image.jpg","max":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/eq_workplace_1_9_patient_consultation_image.jpg/_jcr_content/renditions/original.image_file.1048.1048.176,0,1224,1048.file/eq_workplace_1_9_patient_consultation_image.jpg"} "Satisfied patient in consultation")
![Prof. Dr. med. Daniel Mojon]({"xsmall":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/daniel_mojon.jpeg/_jcr_content/renditions/original.image_file.100.100.1,0,354,353.file/daniel_mojon.jpeg","small":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/daniel_mojon.jpeg/_jcr_content/renditions/original.image_file.353.353.1,0,354,353.file/daniel_mojon.jpeg","medium":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/daniel_mojon.jpeg/_jcr_content/renditions/original.image_file.353.353.1,0,354,353.file/daniel_mojon.jpeg","large":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/daniel_mojon.jpeg/_jcr_content/renditions/original.image_file.353.353.1,0,354,353.file/daniel_mojon.jpeg","xlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/daniel_mojon.jpeg/_jcr_content/renditions/original.image_file.353.353.1,0,354,353.file/daniel_mojon.jpeg","xxlarge":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/daniel_mojon.jpeg/_jcr_content/renditions/original.image_file.353.353.1,0,354,353.file/daniel_mojon.jpeg","max":"https://www.zeiss.com/content/dam/med-hcp/reference-master/product-portfolio/iols-injectors-bss-ovds/iol-power-calculation-service/daniel_mojon.jpeg/_jcr_content/renditions/original.image_file.353.353.1,0,354,353.file/daniel_mojon.jpeg"} "Prof. Dr. med. Daniel Mojon")
![Preview image of IOL Calculation Request Sheet (Corneal irregularities or previous treatments) PDF EN]({"max":"https://asset-downloads.zeiss.com/catalogs/preview/med2/4c1197e6-feaf-4a79-8577-0319ce2890be/CZM_-_IOL_Power_Calculation_Service_-_Questionnaire_for_corneal_irregularities_or_previous_treatments_-_EN_-_20220202_538631_0.pdf.jpg"} "Download IOL Calculation Request Sheet (Corneal irregularities or previous treatments) PDF EN")
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