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Subject 18: Progressive Addition Lenses.

Subject 18: Progressive Addition Lenses. . Identification of Progressive Addition Lenses Regions of a Progressive Addition Lens Markings in a Progressive Addition Lens Center of a Progressive Lens Determining the parameters of a progressive lens. Identifying Progressive Addition Lenses.

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Subject 18: Progressive Addition Lenses.

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  1. Subject 18:Progressive Addition Lenses. • Identification of Progressive Addition Lenses • Regions of a Progressive Addition Lens • Markings in a Progressive Addition Lens • Center of a Progressive Lens • Determining the parameters of a progressive lens

  2. IdentifyingProgressive Addition Lenses • IDENTIFICATION THROUGH OBSERVATION • MICROETCHINGS OR MARKS SENSITIVE TO ULRTRAVIOLET LIGHT

  3. The regions of a progressive addition lens.

  4. Marks on a progressive lens REFERENCE CIRCLES ADDITION

  5. Center of a progressive lens LENSMETER PUPIL

  6. Determining the parameters of a progressive lens • Locate the marks using illumination over a dark background and a marker, • Place the lens on a template provided by the manufacturer and transcribe the other markings, • Place the lens in a lens-meter and determine its powers.

  7. Bibliography 1.- Tecnología óptica. Lentes oftálmicas, diseño y adaptación. Joan Salvadó, Marta Fransoy y otros. Edicions UPC 1997 colección POLITEXT 2.- El vidrio y la óptica ocular. Editor. Corning France 1988. 3.- Lents oftàlmiques pràctiques. Marta Lupon, Marisa Vera, Joan A. Martinez, Jesús Caum

  8. Bibliography 4.- Manual de prácticas de óptica oftálmica. Eloy A. Villegas, Antonio Benito. Editor. Universidad de Murcia 1999. 5.- Clinical Optics Troy E. Fannin, Theodore Grosvennor. Editor. Butterworth-Henemann 1996 2ª edición.

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