Retinoscopy with 2 Cylinder Trial Lenses (Technique 3)
#optometry #retinoscopy
Technique-1: • Retinoscopy in 3 Simpl...
Technique-2: • Cross Retinoscopy just...
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It is incredible how many methods have been developed to measure cylinder in the human eye!
@optometry-with-samir
Жыл бұрын
Generally three methods... This is third technique.. 1st and 2nd technique are available in description. Thank you, Team Smart Optometry.
How working distance is in minus??
These methods are very confusing. I use different method. e.g _300×180 _200×90 Difference between two is1 so, I write, _300+100×90 Working dist150 Now it will be _450+100×90 After transportation, _350_100×180. Please comment which method is easy..?
@optometry-with-samir
Жыл бұрын
It depends who is comfortable with which methods... But first we need to clear basics. First we need to understand how to calculate power from optical cross. When we understand the mechanism, we can follow any methods... Check 2 other methods of retinoscopy also. Link Available in description. Thank you, Samir Sutradhar.