OPHTHALMIC LENSES INCORPORATING A DIFFRACTIVE ELEMENT
摘要
<p>An ophthalmic lens is provided that comprises a correction lens having a first focal region having a first focal power and a second focal region having a second focal power different from the first focal power. The ophthalmic lens further comprises a diffractive element having a diffractive element focal power that is additive to the second focal power. In some embodiments, the second focal region is a multi-focal region that may be a progressive addition region or an electro-active region.</p>
申请公布号
WO2006036762(A2)
申请公布日期
2006.04.06
申请号
WO2005US34067
申请日期
2005.09.23
申请人
E-VISION, LLC;BLUM, RONALD, D.;DUSTON, DWIGHT, P.;KOKONASKI, WILLIAM
发明人
BLUM, RONALD, D.;DUSTON, DWIGHT, P.;KOKONASKI, WILLIAM