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Red color blindness correction lens and preparation method thereof

A technology of color blindness and lenses, applied in the field of ophthalmology, can solve the problems of unacceptable appearance of big red and big blue, vision loss, inability to distinguish, etc., achieve good rigidity, increase brightness, and sensitive spectral response

Pending Publication Date: 2022-02-15
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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  • Red color blindness correction lens and preparation method thereof
  • Red color blindness correction lens and preparation method thereof
  • Red color blindness correction lens and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Embodiment 1: Preparation of organic / inorganic nanocomposite microspheres and color vision correction lenses

[0057] (1) Preparation of organic / inorganic nanocomposite microspheres:

[0058] a. Take 2.4g of emulsifier sodium dodecylbenzenesulfonate and add it to 1000g of pure water. After it is completely dissolved, add 30g of nano-cobalt oxide, add 140g of sodium acetate saturated aqueous solution dropwise within 70min, and then add the crosslinking agent butyl acrylate 20g; feed nitrogen into the reaction kettle, add 145g of dichloromethane solvent containing spiropyran compound (formula I) (105g of spiropyran 40g solvent), add 28g of methyl acrylate monomer, stir and heat up to 65°C, add Initiator sodium persulfate 0.1g, keep warm for 16h, filter, wash and dry to obtain acrylate / spiropyran / cobalt oxide nanospheres. The yield was 80%.

[0059] b. the product prepared in step a is observed through a transmission electron microscope, such as figure 2 As shown, it c...

Embodiment 2

[0065] Embodiment 2: Preparation of organic / inorganic nanocomposite microspheres and color vision correction lenses

[0066] (1) Preparation of organic / inorganic nanocomposite microspheres:

[0067]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%.

[0068] ii. the product prepared in step (i) is observed through a transmission electron microscope, such as Figure 4 ...

Embodiment 3

[0073] Embodiment 3: Analysis of the nanocomposite microsphere structure prepared in embodiment 1-2

[0074] 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 5. Wherein P1, P2 represent the nanocomposite microsphere sample that embodiment 1,2 prepares respectively, Figure 5a 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 5b 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 these results are consistent...

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Abstract

The invention relates to a red color blindness correction lens and a preparation method thereof. The lens contains an acrylate / spiropyrane / nanometer cobalt oxide three-layer composite core-shell structure optooptic material, wherein the core is cobalt oxide nanometer microspheres, the microspheres are coated with a spiropyrane compound represented by a formula I, and the shell is acrylate; the mass ratio of the cobalt oxide nano microspheres to the spiropyrane compound to the acrylate is 1: (1.2-1.4): (0.8-1); the mass ratio of the core-shell structure optooptic material to the lens resin base material is 1: (30-200); and the optooptic material has light filtering and color complementing effects in the lens. The color of the lens is darker under indoor normal light, so that the color purity of a red wave band spectrum and the dimension of a color vision vector space can be enhanced, the color discrimination ability of a red color blindness patient is improved, and color vision abnormity is corrected; the lens can rapidly fade to be light or colorless when coming outdoors, so that 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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IPC IPC(8): G02C7/02G02C7/10G02B1/04C07D519/00
CPCG02C7/02G02C7/102G02C7/104G02B1/041C07D519/00
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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