SEIKO's high quality antireflection coating improves the lens light transmittance up to 98.5%. As a result, unpleasant surface reflections such as image flickering and ghost images are prevented. 
In addition, it prevents the eyes from tiring providing comfortable clear vision all day. 
The unique aspheric design of SEIKO lenses exhibits less distortion than the conventional lens designs.
The aspheric design of the lens allows the customer to have a clearer and wider field of vision.