31516305Basic Optical Concepts
Course Information
Description
The course covers the properties of light and the function of a lens in vision correction. Included is a review of basic Mathematics needed in vision care and the physiological aspects of vision. This course begins the study of the neutralization and verification of spectacle lens powers, to include spherical, cylindrical and prism lenses.
Total Credits
3
Course Competencies
  1. Solve math principles problems
    Assessment Strategies
    completing homework assignments
    completing a quiz
    Criteria
    solves positive/negative number problems
    solves simple algebraic equations
    calculates the reciprocal
    performs metric conversions

  2. Analyze principles of light
    Assessment Strategies
    completing homework assignments
    participating in classroom and group discussions
    completing a quiz
    Criteria
    examines the electromagnectic spectrum
    differentiates a ray, pencil and beam of light
    explores laws of reflection
    solves simple reflection problems
    explores Snell's law of refraction
    explains index of refraction
    solves simple refraction problems
    defines a prism
    calculates the power of a prism

  3. Analyze refraction of multiple light rays
    Assessment Strategies
    completing homework assignments
    participating in classroom and group discussions
    completing a quiz
    Criteria
    solves simple vergence problems
    characterizes lens aberrations
    calculates effective lens power

  4. Demonstrate hand neutralization
    Assessment Strategies
    participating in lab activities/practice
    completing a lab examination
    completing a quiz
    Criteria
    differentiates between spherical (concave and convex) and cylindrical lenses
    performs hand neutralization of concave lenses
    performs hand neutralization of convex lenses

  5. Analyze lens forms
    Assessment Strategies
    completing homework assignments
    participating in classroom and group discussions
    completing a quiz
    Criteria
    transposes plus/minus lens formulas
    writes a lens formula from a lens cross
    draws a lens cross from a lens formula
    solves lens cross problems
    calculates spherical equivalent of a spherocylinder lens

  6. Analyze base curves and lens gauge
    Assessment Strategies
    by completing homework assignment
    through participation in lab practice
    by completing a lab examination
    by completing a quiz
    Criteria
    measures the front and back surfaces of a lens using a lens clock
    estimates lens formulas using the results from the lens clock
    determines the base curve of a lens
    determines the cylinder form a lens was ground in

  7. Analyze optical properties of the eye
    Assessment Strategies
    completing homework assignments
    participating in classroom and group discussions
    completing a quiz
    Criteria
    explores the function of the eye
    explains the optical properties of the eye
    explores types of refractive errors
    determines the type of refractive error correction

  8. Acquaint self with the lensometer
    Assessment Strategies
    participating in lab activities
    completing a quiz
    Criteria
    identifies the parts of a lensometer
    focuses the lensometer eyepiece
    checks the eyepiece focus
    explains the optical center of a lens
    explains the geometric center of a lens
    explains the major reference point of a lens

  9. Analyze neutralization of single vision sphere lenses
    Assessment Strategies
    through participation in lab activities
    by completing a lab examination
    by completing a quiz
    Criteria
    determines power of spherical lenses using a lensometer
    marks the optical center of a lens using a lensometer
    measures, in millimeters, the distance between optical centers

  10. Analyze neutralization of single vision sphero/cylinder lenses
    Assessment Strategies
    through participation in lab activities
    by completing a lab examination
    by completing a quiz
    Criteria
    determines power of cylindrical lenses using a lensometer
    determines the power of a spherocylindrical lens using a lensometer
    marks the optical centers of cylindrical and spherocylindrical lenses using a a lensometer
    measures, in millimeters, the distance between the optical centers of cylindrical and sphero/cylindrical lenses

  11. Analyze accepted lens tolerances
    Assessment Strategies
    through class and group discussion
    by completing a quiz
    Criteria
    applies ANSI standards chart
    differentiates neutralization and verification

  12. Analyze neutralization of base curve and minimum thickness
    Assessment Strategies
    through participation in lab activities
    by completing a lab examination
    by completing a quiz
    Criteria
    determines a lens base curve
    determines lens minimum thickness

  13. Analyze neutralization of multifocal lenses
    Assessment Strategies
    through participation in lab activities
    by completing a lab examination
    by completing a quiz
    Criteria
    determines power of the multifocal portion of a lens using a lensometer
    measures, in millimeters, the distance between near optical centers

  14. Analyze neutralization of prism power
    Assessment Strategies
    through participation in lab activities
    by completing a lab examination
    by completing a quiz
    Criteria
    explains the uses of prism in lenses
    measures horizontal prism power in lenses using a lensometer
    measures vertical prism power in lenses using a lensometer

  15. Demonstrate verification of lenses
    Assessment Strategies
    through participation in lab activities
    through participation in classroom and group discussions
    by completing a lab examination
    by completing a quiz
    Criteria
    verifies lens orders using a lensometer
    applies ANSI standards for opthalmic lenses
    calculates induced prism

  16. Analyze F.D.A. lens requirements
    Assessment Strategies
    through participation in classroom and group discussions
    by completing a quiz
    Criteria
    differentiates methods for hardening glass lenses
    explains the drop ball test for lenses
    explores F.D.A. lens requirements for dress glasses
    explores F.D.A. lens requirements for safety glasses