{"type": {"key": "/type/work"}, "title": "A treatise on simple and compound ophthalmic lenses", "subjects": ["Lenses", "Ophthalmic lenses", "Eyeglasses", "Optics and Photonics"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2410716A"}}], "covers": [11765736], "key": "/works/OL24874416W", "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2021-08-24T02:32:49.928012"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-29T04:55:49.012401"}}