{"title":"用自由曲面和梯度折射率光学评价眼科渐进加法透镜设计","authors":"Nicholas S. Kochan, Greg R. Schmidt, D. Moore","doi":"10.1117/12.2603678","DOIUrl":null,"url":null,"abstract":"A raytrace method is developed for evaluation of progressive addition lens (PAL) designs with freeform surfaces and gradient index (GRIN) profiles. The raytrace analysis is adapted from a Hartmann test method. More common surface-geometric evaluations for freeform surface PAL designs are presented for comparison. Sur- face geometric and real raytrace methods are compared for evaluation of homogeneous freeform surface PALs. Raytrace evaluation is compared with evaluation results from commercial lens design software for single vision lenses. A GRIN PAL base design is evaluated using the real raytrace method, and characteristic PAL behavior is demonstrated. This raytrace evaluation method enables new directions in using GRIN for ophthalmic lenses.","PeriodicalId":386109,"journal":{"name":"International Optical Design Conference","volume":"7 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Evaluating ophthalmic progressive addition lens designs with freeform surfaces and gradient index optics\",\"authors\":\"Nicholas S. Kochan, Greg R. Schmidt, D. Moore\",\"doi\":\"10.1117/12.2603678\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A raytrace method is developed for evaluation of progressive addition lens (PAL) designs with freeform surfaces and gradient index (GRIN) profiles. The raytrace analysis is adapted from a Hartmann test method. More common surface-geometric evaluations for freeform surface PAL designs are presented for comparison. Sur- face geometric and real raytrace methods are compared for evaluation of homogeneous freeform surface PALs. Raytrace evaluation is compared with evaluation results from commercial lens design software for single vision lenses. A GRIN PAL base design is evaluated using the real raytrace method, and characteristic PAL behavior is demonstrated. This raytrace evaluation method enables new directions in using GRIN for ophthalmic lenses.\",\"PeriodicalId\":386109,\"journal\":{\"name\":\"International Optical Design Conference\",\"volume\":\"7 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-11-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Optical Design Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1117/12.2603678\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Optical Design Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.2603678","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Evaluating ophthalmic progressive addition lens designs with freeform surfaces and gradient index optics
A raytrace method is developed for evaluation of progressive addition lens (PAL) designs with freeform surfaces and gradient index (GRIN) profiles. The raytrace analysis is adapted from a Hartmann test method. More common surface-geometric evaluations for freeform surface PAL designs are presented for comparison. Sur- face geometric and real raytrace methods are compared for evaluation of homogeneous freeform surface PALs. Raytrace evaluation is compared with evaluation results from commercial lens design software for single vision lenses. A GRIN PAL base design is evaluated using the real raytrace method, and characteristic PAL behavior is demonstrated. This raytrace evaluation method enables new directions in using GRIN for ophthalmic lenses.
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