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Good afternoon Rob, Thank you for your message. Basically, the 4 fields of vision that the lenses have are distance, near and 2 intermediate corrections: one intermediate power addition is calculated for the lower panel viewing distance and the second intermediate add power is designed for the...

Good afternoon Rob, Thank you for your message. Basically, the lenses have 4 seperate fields of vision: distance, near and 2 intermediate corrections; one intermediate power addition is calculated for the lower panel viewing distance and the second intermediate add power is designed for the...

Good afternoon, I know your post is quite old, but I would like to know more about some of the problems that the pilot community runs into in regards to prescription eyewear. My name is Zack and the company I work for is launching a quadrifocal lens for pilots. It is the first of its kind and...