This literature review supports the following project:Reversing the Trend of Large Scale and Centralization in Manufacturing: The Case of Distributed Manufacturing of Customizable 3-D-Printable Self-Adjustable Glasses


The volume enclosed by the membranes is filled with a liquid of refractive index 1.579.

NPO[edit | edit source]

Commercial[edit | edit source]

Adlens, LTD.[edit | edit source]

Articles concerning Liquid Filled Self Adjustable Lenses[edit | edit source]

Peer Reviewed Articles by Joshua Silver[edit | edit source]

Self correction of refractive error among young people in rural China: results of cross sectional investigation[edit | edit source]


  • [1]M. Zhang, R. Zhang, M. He, W. Liang, X. Li, L. She, Y. Yang, G. MacKenzie, J. D. Silver, L. Ellwein, B. Moore, and N. Congdon, “Self correction of refractive error among young people in rural China: results of cross sectional investigation,” British Medical Journal, vol. 343, 1-10, 2011.
    • https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3153585/
      • The purpose of this article was to compare the use of Self Adjustable glasses and conventional methods for refraction in young people. They did this through a studty of 648 children in the age range of 12-18 in rural southern China. According to the results of the study,self refraction could reduce the number of trained professionals, expensive equipment and cycloplegia (paralysis of near focusing ability) in children.
      • 10% of children require refractive correction.
      • Myopia is the most common error among school children
      • The Liquid in the lenses has a refractive index of 1.579
      • the Glasses have a manufacturing cost of $19.00



The Child Self-Refraction Study: Results from Urban Chinese Children in Guangzhou[edit | edit source]




The Child Self-Refraction Study: Results from Urban Chinese Children in Guangzhou[edit | edit source]




Self correction of refractive error among young people in rural China: results of cross sectional investigation[edit | edit source]




Self-optimised vision correction with adaptive spectacle lenses in developing countries[edit | edit source]




How to use an adaptive optical approach to correct vision globally[edit | edit source]





Patents by Joshua Silver[edit | edit source]

Variable focus lens[edit | edit source]




Variable focus optical apparatus[edit | edit source]




Variable focus lens with a valve[edit | edit source]




Refractive eyewear[edit | edit source]




Variable focus lens[edit | edit source]




Refractive eyewear[edit | edit source]




Variable Focus Lenses[edit | edit source]



Online Searches[edit | edit source]

Google[edit | edit source]


  • Google Patents
    • Joshua Silver
    • Joshua David Silver


  • Google Scholar(scholar.google.com):
    • Self Adjusting Lenses
    • Self Adjusting Liquid filled Lenses
    • Self Correcting Glasses
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