Graeme E MacKenzie, BOptom, DPhil Director of Industry Affairs
Market Data • ! Progressive wearers 54 million • ! Considered switching 14.5 million (27%) • ! Dissatisfied 4.3 million (8%) • ! Cannot adapt 3.2 million (6%)
They distort my vision 28.2% It takes too long to adjust 20.4% Eye strain 15.5% Having to change glasses 12.7% depending on what I'm doing They aren't worth the cost 9.4% Physical pain 9.4% Other 4.4%
Single Vision Lens Progressive Addition Lens
soft transition balance Trading Trading compromises compromises reduced aberration astigmatism corridor width
Distortion free, full field of view multifocal lens
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