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Blue color weakness correction lens and preparation method thereof

A kind of color blindness and lens technology, which is applied in the field of color vision correction optical materials and preparations, can solve problems such as vision loss, inability to distinguish, difficult to accept the appearance of bright red and green, and achieve the effect of improving vividness, sensitive spectral response, and good rigidity

Active Publication Date: 2022-02-11
JIANGSU SHIKEXINCAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But in this way, some people can rely on the difference in brightness to distinguish "color" when they don't wear traditional color-blindness correction glasses, but they can't distinguish when they wear this kind of color-blindness correction glasses.
Not only that, but people who wear traditional color-blindness correction glasses will always have some decline in overall vision, and the bright red and green appearance is also unacceptable

Method used

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  • Blue color weakness correction lens and preparation method thereof
  • Blue color weakness correction lens and preparation method thereof
  • Blue color weakness correction lens and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] Embodiment 1: Preparation of organic / inorganic nanocomposite microspheres and color vision correction lenses

[0061] (1) Preparation of organic / inorganic nanocomposite microspheres:

[0062] 1. Take 2.5g of emulsifier RF-345 and add it to 1100g of pure water. After it is completely dissolved, add 30g of nano-copper oxide, add 120g of sodium acetate saturated aqueous solution dropwise within 70min, and then add 20g of cross-linking agent DAP; Enter nitrogen, add 145g of dichloromethane solvent containing spiropyran compound (formula I) (spiropyran 35g solvent 110g), add methyl acrylate monomer 18g and ethyl acrylate monomer 10g, stir and heat up to 65 ° C, add Initiator ammonium persulfate 0.1g, keep warm for 16h, filter, wash and dry to obtain acrylate / spiropyran / copper oxide nanospheres. The yield was 82%.

[0063] 2. The product prepared in step 1 is observed with a transmission electron microscope, as figure 2 As shown, it can be seen that the appearance is sphe...

Embodiment 2

[0069] Embodiment 2: Preparation of color vision correction lens

[0070] (1) Preparation of organic / inorganic nanocomposite microspheres:

[0071]i. Take 2g of emulsifier sodium dodecylbenzene sulfonate and add it to 1000g of pure water. After it is completely dissolved, add 26g of nano-titanium oxide, add 140g of sodium acetate saturated aqueous solution dropwise within 70min, and then add 20g of crosslinking agent butyl acrylate ; Feed nitrogen into the reactor, add 130 g of dichloromethane solvent containing spiropyran compound (formula I) (100 g of spiropyran 30 g solvent), add 26 g of ethyl acrylate monomer, stir and heat up to 70 ° C, add trigger Add 0.1 g of sodium persulfate, keep warm for 16 hours, filter, wash, and dry to obtain acrylate / spiropyran / titanium oxide nanospheres. The yield was 78%.

[0072] ii. the product prepared in step (i) is observed through a transmission electron microscope, such as image 3 As shown, it can be seen that the appearance is sphe...

Embodiment 3

[0077] Embodiment 3: the nanocomposite microsphere structure analysis that embodiment 1 and embodiment 2 prepare

[0078] Carry out N to the nanocomposite microsphere sample that embodiment 1-2 prepares 2 Adsorption-desorption isotherm detection was carried out to analyze the structural characteristics of the nano-microspheres, and the results are shown in Figure 6. Wherein P1, P2 represent the nanocomposite microsphere sample that embodiment 1, embodiment 2 prepare respectively, Figure 6a for N 2 Adsorption-desorption isotherm, the isotherm type of the sample with 10h hydrothermal reaction time is type IV, at P / P 0 There is a hysteresis loop at 0.4-1.0, indicating the existence of mesopores. Figure 6b It is a pore size distribution curve. There is an obvious raised peak at 3nm, and there is no raised peak after 5nm, indicating that the pore size is small, and the pore size is about 3nm. The mesopores in the sample are formed by the aggregation of nanoparticles. All thes...

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Abstract

The invention relates to a blue color weakness correction lens and a preparation method thereof, wherein the lens contains an acrylate / spiropyrane / nano copper oxide three-layer composite core-shell structure optooptic material, the inner core is a copper oxide nano microsphere, the microsphere is coated with a spiropyrane compound represented by a formula I, and the shell is acrylate; the mass ratio of the copper oxide nano microsphere to the spiropyrane compound to the acrylate is 1:(1.1-1.3):(0.9-1); and the mass ratio of the core-shell structure optooptic material to the lens resin base material is 1:(30-200). The optooptic material has light filtering and color complementing effects in the lens. The color of the lens is dark under normal indoor light, the color purity of a blue band spectrum and the dimension of a color vision vector space can be enhanced, the color discrimination ability of a blue color weakness patient is improved, color vision abnormity is corrected, the lens can rapidly fade to be light or colorless when coming outdoors, and it is ensured that the patient looks true objects. The lens has the advantages of high color saturation, good color discrimination effect, comfort in wearing and the like.

Description

technical field [0001] The invention belongs to the technical field of ophthalmology and optics, and in particular relates to a color vision correction optometry material and a preparation method. Background technique [0002] Color vision is one of the important visual functions of the eye. The seven colors of the visible spectrum in sunlight can be attributed to the three primary colors, namely red, green and blue. Retinal cone cells contain red, green and blue pigments. The human eye can recognize more than 100 different colors. Congenital abnormalities of color vision are caused by an abnormal lack of chromogenic pigments in cone cells. It can usually be divided into panchromatopsia, red-green color blindness and red-green color blindness. Monochromatic vision with only one color-sensing pigment, that is, panchromatic vision; people with two color-sensing pigments are dichromatism, and those who lack red-sensing or green-sensing pigments are red-green color blindness; ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F120/14C08K9/10C08K3/22C08K5/3417G02C7/02G02B1/04
CPCC08F120/14C08K9/10C08K3/22C08K5/3417G02C7/022G02B1/041C08K2003/2248C08K2201/011C08K2201/003C08K2003/2237
Inventor 王明华张鹤军纪立军范为正司云凤刘洋郑永华薛晓花吴潇
Owner JIANGSU SHIKEXINCAI CO LTD
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