4Hsu S Y,Wu W C.Comparison of phacoemulsification andplanned extracapsular cataract extraction in combined parsplana vitrectomy and posterior chamber intraocular lens im-plantation[J].Ophthalmic Surgery Lasers&,2005,36(2):108.
6Tinnungwattana U,Gorvanich S,Kulvichit,et al.Com-bined deep topical and superior subconjunctival anesthesia forextracapsular cataract extraction in a rural eye camp[J].Anesthesia and Analgesia,2009,109(6):2025.
7Li YJ, Xirasagar S, Pumkam C. Vision insurance, eye care visits, and vision impairment among working-age adults in the United States[J]. JAMA Ophthalmol,2013,131 (4):499-506.
8van der Aa HP, van Rens GH, Comijs HC. Stepped-care to prevent depression and anxiety in visually impaired older adults- design of a randomised controlled trial [J]. BMC Psychiatry, 2013, 9(13) :209.
9Ryan B, Khadka J, Bunce C. Effectiveness of the community- based Low Vision Service Wales: a long-term outcome study[ J]. Br J Ophthalmo1,2013,97 (4) :487-491.
10Zhang X, Bullard KM, Cotch MF. Association between depression and functional vision loss in persons 20 years of age or alder in the United States, NHANES 2005-2008 [ J ]. JAMA Ophthalmol, 2013,131(5) :573-581.
