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The Optical Knowledge Portal
Information – Education – Certification

Blue blocking and comfort filters

This video seminar can be accessed after quick registration / login. Selected videos are free of charge.
 

People with reduced visual acuity often also experience lower contrast sensitivity. Special blue blocking and comfort filters can provide help in this context. This video details their characteristic features, explains the difference between regular sunglasses and spectacles with these filter lenses, and shows that they are also ideal for people with good eyesight.

Free video tutorials:

 
MEDICAL BASICS

It is important to be familiar with the reasons behind a patient’s eye conditions to be able to successfully provide low vision solutions. Patients often want to learn more about the cause of their visual impairment, its likely progression and approaches that could potentially be taken to combat it. When taking a patient’s medical history and fitting a visual aid, knowing the medical basics also makes it easier to understand what patients say.

Lecturer: Andreas Polzer Duration: 13:38
MAGNIFICATION AND LIGHTING REQUIREMENTS

Once the basic values such as refractive error, visual acuity and contrast sensitivity have been established, the magnification power required for near and distance viewing is determined. It can be significantly reduced with appropriate lighting. Find out here, step by step, how to determine the relevant magnification power and required lighting for different visual tasks.

Lecturer: Andreas Polzer Duration: 14:10

 

Video tutorials available after booking:
 
CHARACTERISTICS AND USE OF BLUE BLOCKING AND COMFORT FILTERS
Lecturer: Walter Hurraß Duration: 10:45
TEST
 
CERTIFICATE