{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Ketchum's lessons on the eye: dedicated to the \"world of optometry\" and especially to those who have sacrificed their time and energy to the end that ... may be honored by all other professions ...","author_name":"Marshall B Ketchum","thumbnail_url":"https://www.ebooknetworking.net/books/117/828/big1178281418.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1178281418.html\">Ketchum&#039;s lessons on the eye: dedicated to the &quot;world of optometry&quot; and especially to those who have sacrificed their time and energy to the end that ... may be honored by all other professions ...</a>","width":400,"height":300}