Effectively manage even the most challenging contact lens complications with help from contact lens complications 3rd edition award winning author clinician and researcher professor nathan efron presents a thoroughly up to date clinician friendly guide to identifying understanding and managing ocular response to contact lens wear evaluate and manage patients efficiently with an . Grading scales for 16 contact lens complications making this the most comprehensive and widely used grading system available today grading morphs computer program as a computer based aid to assessing condition severity self help grading tutor computer program to help you hone your grading skills pictorial tear film classification system enhanced ebook version included with purchase your . Additional physical format online version efron nathan contact lens complications oxford boston butterworth heinemann 1999 ocolc607414155. Contact lenses are lenses placed on the surface of the cornea to correct refractive errors such as myopia short sightedness hypermetropia far sightedness and astigmatism lens related complications are becoming a greater health concern as increasing number of individuals are using them as an alternative to spectacles contact lenses alter the natural ocular environment and reduce the . The companion cd rom uses video animation and morphing to demonstrate the skills of movement and position that are necessary to correctly fit rigid contact lenses covers both rigid and soft contact lenses enhances the readers understanding through video and animation on the cd rom begins with prefitting topics and ends with specialty topics progressing logically as the optometrist would
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