The present invention relates to a cup candle having a safety structure to prevent the fire by preventing the burning of the bottom plate by the combustion of the core material in advance.;This invention is the core material 100, the cotton yarn is wound around the entire length of the oute...
目的分析增加-0.25DS从视力0.7~-提高到1.0,总结屈光术前验光的细节.方法①使用150LX环境,术前第一次综合验光OD:-2.00/-3.50*180→0.7~-.②使用300LX的环境,调整镜眼距,术前第二次综合验光OD:-2.25/-3.50*180→1.0.结果根据第二次综合验光结果行Flap术,术后四次复查(1个月)均为1.0视力.结论精准验光为术前...