Patent ID: 8882273

Claim:
A method for determining a lens prescription, said method comprising: selecting a first ultraviolet (UV) trial lens and a second UV trial lens; determining whether said first UV trial lens or said second UV trial lens results in greater improvement in visual function; selecting said second UV trial lens for said prescription when said second UV trial lens results in greater improvement in visual function as compared to said first UV trial lens; selecting a first color group comprising a first color trial lens and a second color trial lens; determining whether said first color trial lens or said second color trial lens results in greater improvement in visual function; selecting said second color trial lens for said prescription when said second color trial lens results in greater improvement in visual function as compared to said first color trial lens; selecting a second color group comprising a third color trial lens and a fourth color trial lens; determining whether said third color trial lens or said fourth color trial lens results in greater improvement in visual function; and selecting said fourth color trial lens for said lens prescription when said fourth color trial lens results in greater improvement in visual function as compared to said third color trial lens.