If you are an optometry or opthalmology student, this is the perfect how-to video for you. Watch these these seven videos and learn how to test a patients vision with a refracting machine using plus lenses. It's a little difficult to describe the controls used for refracting because every instrument is set up differently. If possible, refer to a manual for the specific refracting instrument that you'll be using. This vision tutorial will walk you through all the parts of a optical refracting instrument, sphere establishment, cylinder axis refinement, cylinder power refinement, sphere power refinement and cylinder power search within the range of a patient vision who needs plus lenses.
Use optical refractors to test vision with plus lenses - Part 1 of 8
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Use optical refractors to test vision with plus lenses - Part 2 of 8
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Use optical refractors to test vision with plus lenses - Part 3 of 8
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Use optical refractors to test vision with plus lenses - Part 4 of 8
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Use optical refractors to test vision with plus lenses - Part 5 of 8
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Use optical refractors to test vision with plus lenses - Part 6 of 8
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Use optical refractors to test vision with plus lenses - Part 7 of 8
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Use optical refractors to test vision with plus lenses - Part 8 of 8
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