CN2077553U - 能防止再近视的近视眼镜 - Google Patents

能防止再近视的近视眼镜 Download PDF

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Publication number
CN2077553U
CN2077553U CN 90218753 CN90218753U CN2077553U CN 2077553 U CN2077553 U CN 2077553U CN 90218753 CN90218753 CN 90218753 CN 90218753 U CN90218753 U CN 90218753U CN 2077553 U CN2077553 U CN 2077553U
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nearsight
glasses
utility
model
correction mirror
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CN 90218753
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唐奂知
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Abstract

本实用新型是一种能防止再近视的近视眼镜。 它的镜片具有远距离矫正镜(1)、近距离矫正镜(2)和 警告结构(3)等特殊结构,当近距离用眼姿势不正确 时,警告结构(3)能提醒近视患者纠正姿势,防止再近 视。同时还能对远近距离作最佳矫正。
本实用新型能十分有效地纠正近视患者不正确 的用眼习惯,防止再近视,保护视力。

Description

本实用新型是一种近视眼镜。
普通近视眼镜只能起矫正视力的作用,而无法改变近视患者早以养成的不正确用眼习惯。于是不少人近视程度继续加深(即再近视),不得不更换高度眼镜,视力继续下降。本实用新型不但能矫正视力,而且能纠正近视患者不正确的用眼习惯。
本实用新型与普通眼镜的不同之处在于镜片,镜片由远距离矫正镜(1)、近距离矫正镜(2)和警告结构(3)组成(见附图1)。远距离矫正镜(1)与近距离矫正镜(2)可以是焦距不同的两块镜片,也可是焦距相同的一块镜片。警告结构(3)可以是一条暗区,或一条色带,或几个点等能提醒近视患者纠正姿势的结构。本实用新型推荐远距离矫正镜(1)与近距离矫正镜(2)为焦距不同的两块镜片,以作远、近距离的最佳矫正。
近视患者在开始近距离用眼时(如看书、写字等)姿势都比较正确,此时光线(5)是从近距离矫正镜(2)进入人眼(4)的。随着注意力的集中,人眼与书、本子等的距离慢慢变近,头部随之倾斜,光线(5)进入人眼(4)的情况便向光线(6)过渡,警告结构(3)提供的警告信号便进入人的有效视野,提醒患者纠正姿势(见附图2)。如果远距离矫正镜(1)和近距离矫正镜(2)是不同焦距的两块镜片,当近距离用眼姿势不正确时,字迹还将由清晰变模糊,同样能起警告作用。久之,这种无意识的不良用眼习惯便得以纠正,不会造成再近视。
说明书附图中,图1为本实用新型的镜片结构简图,其中(1)为远距离矫正镜,(2)为近距离矫正镜,(3)为警告结构;图2为本实用新型的矫正原理图,其中(4)为人眼,(5)为正确近距离用眼时的有效光线,(6)为不正确近距离用眼时的有效光线。
当然,本实用新型也可与变色镜等现有眼镜组合。
与现有近视眼镜相比,本实用新型的显著积极效果是在矫正视力的同时纠正用眼习惯,使人们有良好的视力素质,并节省更换眼镜的时间和财力。

Claims (3)

1、本实用新型是一种近视眼镜,它由镜架、镜片等组成。本实用新型的特征是,镜片由远距离矫正镜(1)、近距离矫正镜(2)和警告结构(3)组成。
2、根据权利要求1所述的一种近视眼镜,其进一步特征是远距离矫正镜(1)和近距离矫正镜(2)为焦距不同的两块镜片,以作远近距离的最佳矫正。
3、根据权利要求1所述的一种近视眼镜,其另一进一步特征是警告结构(3)为一条色带、或几个点、或一条暗区等能提醒近视患者纠正姿势的结构。
CN 90218753 1990-08-26 1990-08-26 能防止再近视的近视眼镜 Withdrawn CN2077553U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 90218753 CN2077553U (zh) 1990-08-26 1990-08-26 能防止再近视的近视眼镜

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 90218753 CN2077553U (zh) 1990-08-26 1990-08-26 能防止再近视的近视眼镜

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CN2077553U true CN2077553U (zh) 1991-05-22

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CN 90218753 Withdrawn CN2077553U (zh) 1990-08-26 1990-08-26 能防止再近视的近视眼镜

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014194444A1 (zh) * 2013-06-03 2014-12-11 Dai Minghua 控制头位和坐姿的防治近视眼镜

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014194444A1 (zh) * 2013-06-03 2014-12-11 Dai Minghua 控制头位和坐姿的防治近视眼镜

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