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214 Ophthalmic Lenses
Spherical aberration 57 impact resistance 182
ocular spherical aberration 58 resistance to hot particles 183
clinical application 58 surface hardness 183
influencing factor 58 thermostability 183
Spherical lens decentration 30 Thermoplastic 10
Split bifocal 120 Thermosetting 10
Sports lenses 193 Thin lens power 5
features 199 Tint options in photochromic lenses 76
anti-mist coating 200 Tinted lens 64
anti-reflection coating 200 Tints vs. polarized lenses 80
aspheric 200 Toric lenses 35
impact resistant material 199 Toroidal surface 37
scratch resistant hard coating Types of lens housing 184
200 face shields 185
ultraviolet protection 200 goggles 185
water repellent 200 helmets 186
tins and colours 200 spectacle frames 184
Surface tinting of lenses 191
Surface treatments 188 U
anti-fog coating 190
anti-mist coating 191 Unequal segment sizes 120
hard coating 188
hydrophobic coating 189 V
toughening glass lenses 196
Vergence 3
T Verification of segment height 128
Vision print system 163
Technology of anti-reflection coating 92
Testing procedure for safety lenses 182 Z
chemical resistance 183
flammability 183 Zeiss Hypal series of lenses 207