Intraocular lens has advantage over glasses in
D i.e. All of the above Treatment Aphakia Spectacles Contact Lenses Intraocular lens * Advantages * Advantages * PC-IOL is the treatment of - Cheap, easy & safe method - Less magnification so better choice in aphakia Q * Disadvantages suited for uniocular aphakia because of following - Image is magnified by 30% so not useful in - Elimination of aberrations advantages unilateral aphakia Q (produce diplopia) and prismatic effect of thick - Minimal after care - Problems of spherical and chromatic glasses Minimum aniseikonia (a aberrations of thick lenses (produce pin Better & wider field of vision condition where in the cushion effect) Cosmetically more images projected to the - Prismatic effects at the edges of lens produce acceptable visual coex from the 'roving ring' or 'jack in the box' ring scotoma * Disadvantages two retinae are - Field of vision is limited and poor eccentric - Lack of dexterity in older abnormally unequal in acuity patients size &/or shape. - Cosmetic deficiency of heavy spectacle lenses Foreign body sensation or Rapid return of - Inaccurate correction b/o erroneous veex lens awareness binocularity distances. Corneal complications Normal peripheral * Indications * Indications vision - Fellow eye aphakic & good vision with previous aphakic correction - Young child < 2 years * Indications - Universal - High axial myopia with IOL, power < 8 D
Better field of vision
Better accommodation
Better under water vision for swimmer
All of the above