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The Optical Knowledge Portal
Information – Education – Certification

Fitting Galilean telescopic spectacles

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

Telescopic spectacles are among the few visual aids that can be used for distance and near viewing alike when combined with front caps. This seminar will show you how easy it is to fit these spectacles when using a structured approach.

Free video tutorials:

 
TYPES OF MAGNIFICATION

“Magnification” refers to the increasing in size of an image relative to its true size. This can be achieved by different types of magnification. Sound knowledge of these types will enable you to select from a wide variety of solutions when it comes to fitting low vision aids, and to find the best suitable combination for the patient. This video provides useful tips and tricks relating to the different types of magnification.

Lecturer: Annegret Speicher Duration: 10:08
SELCETION CRITERIA FOR TELESCOPIC SYSTEMS

Once low vision refraction has been carried out, the next step is often to determine which aids should be dispensed for which visual tasks. Telescopic systems have universal applications. In this video, you will find out more about the selection criteria for telescopic systems and different types that are available.

Lecturer: Walter Blau Duration: 07:29
FRAME-MOUNTED GALILEAN TELESCOPIC SYSTEMS

As magnification increases, the field of view decreases. Consequently, patients may experience problems when using magnifying systems that are too powerful. This is why it is recommended that the minimum possible magnification always be selected. Being able to read and watch TV are some of the most frequently expressed requests of visually impaired people. These requirements can often be fulfilled with a telescopic system. Galilean systems provide a relatively large field of view and are ideal when offering patients such a system for the first time.

Lecturer: Walter Blau Duration: 11:49

 

Video tutorials available after booking:
 
FITTING TELESCOPIC SPECTACLES BINOCULARY FOR DISTANCE VISION
Lecturer: Walter Blau Duration: 11:03
FITTING TELESCOPIC SPECTACLES MONOCULARY FOR NEAR VISION
Lecturer: Walter Blau Duration: 06:08
MECHANICAL FITTING OF TELESCOPIC SPECTACLES
Lecturer: Walter Blau Duration: 09:19
ASSEMBLING TELESCOPIC SPECTACLES
Lecturer: Walter Blau Duration: 05:24
TEST
 
CERTIFICATE