• 6 Ways to Justify Add Power

    June 14, 2013 | POSTED BY | Clinical Pearls

    Do you consistently get lower add than their age approximated add? I always did. I found out that I was using too much light so patients were comfortable with reading at lower add power. I learned at my externship rotation that if I used...

  • Classifying Astigmatism with Abbreviations

    July 4, 2012 | POSTED BY | Clinical Pearls

    You can classify types of astigmatism with the following abbreviations: -Compound myopic astigmatism - CMA (both meridians focus in front of retina) -Simple myopic astigmatism - SMA (one meridian focuses in front of retina, while the...

  • Induced Prism and Prentice’s Rule

    | POSTED BY | Clinical Pearls

    When the patient is not looking directly through the optical center of a lens, an induced prismatic effect will occur which can cause headaches and eye strain. Always remember to dot the optical centers with a lensometer when fitting the...

  • Finding Neutrality During Retinoscopy

    July 3, 2012 | POSTED BY | Clinical Pearls

    If you are having difficulty finding neutrality during retinoscopy, try changing your scope from sleeve down to sleep up. When you are at neutrality, sleeve position will not matter and the reflex should not...

  • Binocular Balance Three Eyed Method

    | POSTED BY | Clinical Pearls

    When doing a binocular balance during a subjective refraction with a difficult patient, you can double check the binocular balance by using your retinoscope. Un-occlude both eyes and set the phoropter for your normal working distance. Then...