Home > Single Vision Lenses 1.5 Standard plastic lens, HC, MAR £24.95 Price includes: Two lenses Lens fitting to full or half-rim frame Delivery by Royal Mail first class recorded post Clear Description 1.50 Index CR39 is the most common type of single vision lens used. Suitable for prescriptions of +/- 3.00d max 2 cyl. Hard coat applied which helps to prevent scratching. Multi antireflection Coating (MAR) which reduces reflections and will improve vision when driving at night, under artificial lighting and using computers. View all Single Vision lenses