STANDARD COMPETENCIES:

 

 I.      Understand and demonstrate proper care and maintenance of the following instruments:

         A.      streak retinoscope

         B.      refractor

         C.      schematic eye

         D.      trial lenses

 II.     Demonstrate knowledge of proper use of both sleeve-up and sleeve-down retinoscopes in plus-cylinder technique retinoscopy.

 III.    Understand the following retinoscopic reflexes:

         A.      `with` motion

         B.      `against` motion

         C.      `neutrality`

         D.      `scissors` reflex

 IV.     Understand the working lens - working distance relationship.

 V.      Be able to correctly operate the features of the plus-cylinder Reichert Ultramatic Rx Master Phoroptor.

 VI.     Understand and demonstrate knowledge of proper `fogging` technique and proper use of binocular balancing.

 VII.    Correctly calibrate a schematic eye.

 VIII.   Properly utilize and apply the duochrome test.

 IX.     Correctly demonstrate the proper use of the Jackson cross-cylinder for the power test and the axis test.

 X       Describe the affect of accommodation on the refractometric result.

 XI.     Describe the common symptomatology of:

         A.      an over-minused patient.

         B.      an over-plussed patient.

         C.      add too weak.

         D.      add too strong

         E.      cylinder off axis, off power

 XII.    Describe the affect of vertex distance on the refractometric result, and be able to correctly use the Distometer to convert vertex in the Rx as appropriate for different situations.

 XIII.

 XIV.

 TOPICAL OUTLINE:

 

 I.      Retinoscope Care and Maintenance

 II.     Schematic Eye

 III.    Retinoscope Types

 IV.     Trial Lens set layout

 V.      Neutralization

 VI.     Working lens/working distance relationship

 VII.    Plus ¿ cylinder technique

 VIII.   Neutralization ¿ astigmatiac errors

 IX.     Refractors/phoroptors

 X       Fogging techniques

 XI.     Jackson Cross-cylinder

 XII.    Refractometry

 XIII.   Binocular balance

 XIV.    Add calculation

 XV.     Cycloplegia

 XVI.    Troubleshooting glasses problems