ZEISS FOR EYE CARE PROFESSIONALS

ZEISS i.Scription Technology

Offering your customers improved vision, day and night.

i.Scription Technology allows you to create a personal vision fingerprint through ZEISS i.Profiler plus, to offer each patient a unique lens solution with improved vision day and night.

Better visual contrast

Better colour vision

Better vision at night and in low light

Give your patients the best possible vision

with ZEISS i.Scription Technology.

ZEISS Lenses with i.Scription Technology

Give wearers their ideal visual correction with ZEISS Lenses with i.Scription Technology. It reduces the effects of glare, adds more brilliance and sharpens contrast. These premium quality lenses create an opportunity to differentiate your practice from your competitors.

Did you know?

90 %

of patients want to recover their natural vision and are worried about vision health.1

95 %

of wearers prefer ZEISS Individual® Single Vision Lenses optimised with i.Scription® Technology versus ZEISS Individual® Single Vision Lenses without i.Scription.2

Is the way we understand refraction still relevant?

Why our approach to refraction is important.

Traditionally refraction still serves as the basis for spectacle prescriptions. This is the result of a two-part process:

  • Objective refraction: The refractive errors of the eye are first estimated objectively using retinoscopy or an automated refractor followed by
  • Subjective refraction: A prescription is subjectively refined by an optometrist, allowing the patient to compare their vision through trial lenses, using either a refractor head or trial frame.

Subjective refraction uses different spectacle lens powers to correct refractive errors (such as myopia, hyperopia or astigmatism) in the eye, which are called low order aberrations, LOAs.

However, due to variations in pupil size with varying light conditions, other types of aberrations appear, affecting the quality of vision. These affect the final quality of vision experienced by the wearer. This is referred to as high order aberrations, HOAs (e.g. coma, trefoil, and spherical aberration).

How does i.Scription Technology work?

i.Scription® Technology by ZEISS is based on the ZEISS eye measuring system called the i.Profiler®plus, specifically designed to determine the exact “fingerprint” of the eyes and provide measurements unique to the patient’s eyes.

ZEISS i.Scription prescription takes into account the effects of low and high order aberrations on retinal image quality by measuring up to 1500 points on each eye. This is done to provide improved vision corrections that deliver optimal visual performance over a broader range of luminance levels, even under demanding viewing conditions like night driving.

i.Scription® Technology analyses the circle of least confusion to provide the most accurate prescription possible

Why is i.Scription Technology particularly beneficial in low light conditions?

Conventional manifest refraction is performed in well illuminated rooms, leading to prescription values that work well in daylight situations. However, as the pupil dilates in low light conditions, the peripheral aberrations of the eye can lead to refractive shifts, resulting in a conventional prescription which is no longer valid.

 

Eye care professionals and wearers will experience the benefits

Benefits for eye care professionals include:

  • Provides a bespoke vision solution for every patient.
  • Prescribe the best prescription for the patient, enhancing their vision and their overall viewing experience.
  • Fine-tunes the refraction to 1/100th of a diopter.
  • Reduces chair time through optimal refraction for patient.
  • Set yourself apart from your competitors.

Our wearers were convinced by the performance of lenses with i.Scription Technology.

  • Subjects rated ZEISS lenses with i.Scription higher for distance vision, night vision, and colour perception.3
  • ZEISS lenses with i.Scription Technology also performed better on average than conventional spectacle lenses in measures of mesopic visual acuity and contrast sensitivity.3
  • Subjects with low- to moderate-prescription powers preferred ZEISS lenses with i.Scription Technology more often for distance vision, active vision, sharpness, changing focus, and overall vision.4
  • Subjects preferred ZEISS lenses with i.Scription Technology more often for night vision, vividness of colours, and having less glare.4
  • ZEISS lenses with i.Scription Technology also performed better than conventional spectacle lenses in measures of low-contrast, mesopic visual acuity by approximately half a line of acuity.4

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References
  • 1 IMW-KÖLN study 2015, wearers of spectacles (n = 11,845)
  • 2 Kevin Reeder, OD, Earl Sandler, OD, Joel Cook, OD, and Lynette Potgieter, B. Optom (RSA) – The Carmel Mountain Study (Orange County, California), double-blind test on preference between ZEISS i.Scription Lenses and comparable ZEISS free-form test lenses (n=37), 2016
  • 3 InSight Eyecare, Missouri. Double-mask clinical study. (n=40)
  • 4 Clinical Research Center of the School of Optometry at the University of California. Berkeley. Clinical study (n=30)