Results 191 to 200 of about 14,630 (247)
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Eyeglasses, No Prescription Necessary
Scientific American, 2016The article discusses the Israeli technology start-up company Deep Optics' development of what are referred to as omnifocial lenses of eyeglasses that can adjust focus dependent on the user's gaze.
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Economic development and cultural change, 2020
We present results of a randomized trial testing the impact on academic outcomes of providing free eyeglasses to junior high school students in a poor rural area of western China.
J. Nie +4 more
semanticscholar +1 more source
We present results of a randomized trial testing the impact on academic outcomes of providing free eyeglasses to junior high school students in a poor rural area of western China.
J. Nie +4 more
semanticscholar +1 more source
The Effect of Advertising on the Price of Eyeglasses
The Journal of Law and Economics, 1972Focuses on the effect of advertising on the price of eyeglasses in the United States. Restrictions of advertising in the market for eyeglasses; Price differentials associated with advertising restrictions; Influence of advertising on consumer's knowledge. (Из Ebsco)
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2013
Individuals in the United States and abroad are unable to purchase eyeglasses due to lack of insurance and limited funding. While most insurance companies ignore lack of sight as one of the lesser harmful medical conditions, eye vision is important for people during daily chores and plays an important role in ensuring safety.
Henriques, Delicia +3 more
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Individuals in the United States and abroad are unable to purchase eyeglasses due to lack of insurance and limited funding. While most insurance companies ignore lack of sight as one of the lesser harmful medical conditions, eye vision is important for people during daily chores and plays an important role in ensuring safety.
Henriques, Delicia +3 more
openaire +1 more source
Fortschritte der Ophthalmologie : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft, 1991
Spectacles belong to the most ancient inventions in cultural history. Their development, however, cannot be regarded as final. New impetus has resulted in the creation of non-spherical lenses and, through the development of refractive lenses, in a more progressive optic effort.
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Spectacles belong to the most ancient inventions in cultural history. Their development, however, cannot be regarded as final. New impetus has resulted in the creation of non-spherical lenses and, through the development of refractive lenses, in a more progressive optic effort.
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Unsupervised Eyeglasses Removal in the Wild
IEEE Transactions on Cybernetics, 2021Mingwu Ren +2 more
exaly
2011
Fashions In Eyeglasses is the most comprehensive history of eyewear ever to be published in English. With over 100 period prints and 500 drawings illustrating the manufacture and development of eyewear, Fashions In Eyeglasses is the definitive resource for anyone who works in fashion or theatre, as well as being a fascinating journey through ...
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Fashions In Eyeglasses is the most comprehensive history of eyewear ever to be published in English. With over 100 period prints and 500 drawings illustrating the manufacture and development of eyewear, Fashions In Eyeglasses is the definitive resource for anyone who works in fashion or theatre, as well as being a fascinating journey through ...
openaire +1 more source
Should myopic students wear eyeglasses?―A regression-discontinuity analysis
Applied Economics Letters, 2023Juerong Huang, Qihui Chen
exaly