Spherical lenses including concepts of vergence and demonstration of its use in optical calculations how to construct diagrams to illustrate image formation using simple raytracing techniques refractive effects of a lens as the sum of its two surface powers refractive properties of spherical lens surfaces The effect produced by varying the index diameter prismatic specifications or form of a lens The requirements of dispensing spectacles to clients with specialor complex needs including The requirements of dispensing spectacles to clients with special
or complex needs, including: commonly occurring problems in a dispensing situation and outline possible solutions the appropriate action to be taken according to prescription requirements and the special needs of the client the low vision and how various aids may be used to assistsuch clients the low vision and how various aids may be used to assist
such clients visual screening and define visual work health and safety WHS requirements in industry Types of ophthalmic lenses and spectacle frames and their performance characteristics The concepts and principles behind the design of spectacle lenses including examples of current lens designs how lens aberrations can be corrected or reduced how to determine and specify appropriate lens design the design and performance of spectacle lenses the function of aspheric lens designs the six main types of aberrations which are encountered in specific lenses Understand the criteria influencing dispensing procedures for aspherics Understand the rationale for the design of a range of available multifocals Visual physiology including common disorders of the eye structure of the human eye and its physiological functioning the procedures involved in cataract extraction with intraocular lensimplant and refractive surgery the procedures involved in cataract extraction with intra-ocular lens
implant and refractive surgery the processes and assessment of vision colour vision and perception |