Source articles: Biotech and Growing Opthalmic Market

https://www.aao.org/newsroom/eye-health-statistics

http://www.brightfocus.org/macular/article/age-related-macular-facts-figures

http://optometrytimes.modernmedicine.com/optometrytimes/content/tags/eye-and-vision-disorders/ophthalmic-drug-market-expected-reach-216-billi?page=full

http://www.biopharmadive.com/news/biotechs-line-up-to-tap-growing-ophthalmics-market/431507/

http://www.prnewswire.com/news-releases/ophthalmic-drugs-market-to-reach-us216-bn-driven-by-rising-geriatric-population-and-subsequent-rise-in-eye-disorders-transparency-market-research-571051511.html

http://www.biosimilardevelopment.com/doc/drug-r-d-counter-looming-patent-ophthalmic-market-bcc-research-0001