CONTACT LENS WORN ON ONE EYE TO IMPROVE PRESBYOPIA

WIPO Patent Application WO/2019/198889

A1

The present invention relates to a contact lens to improve presbyopia, the contact lens comprising: a center transmission region (12) which is formed to occupy a predetermined area at the center of a body and allows light entering the eye to transmit therethrough; a center shielding region (14) which surrounds the center transmission region (12), has a predetermined width, has an inside determining the size and the shape of the center transmission region (12), and blocks light that comes into the eye; and an outer periphery shielding region (18) which surrounds the center shielding region (14), has a predetermined width, has a predetermined space formed between same and the center shielding region (14) to form an outer periphery transmission region (16) which allows light entering the eye through the space between same and the center shielding region (14) to transmit the space, and blocks light that comes into the eye.

WO/1990/000889	MULTI FOCAL INTRA-OCULAR LENS
JP2001201723	SOFT CONTACT LENS FOR CONTINUOUS WEARING
JPH02281229	TRIPLE FOCUS CONTACT LENS

LEE CHANG SEON (KR)
MA KI JUNG (KR)

PCT/KR2018/011212

October 17, 2019

September 21, 2018

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KORYOEYETECH CO LTD (KR)

G02C7/04; G02C7/16

KR20140047475A	2014-04-22
JP3168294U	2011-06-09
KR20090036122A	2009-04-13
KR101383496B1	2014-04-08
KR20170002098U	2017-06-14
KR20100050525A	2010-05-13
KR20170002098U	2017-06-14

"Pupil Magnitude in the Normal Korean Population According to Age and Illuminance", JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY, vol. 52, no. 4, 2011, pages 401 - 406
See also references of EP 3779569A4

PATENT LAW FIRM GRAND KOREA (KR)

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