Sheila Oliver's Campaigning Website

https://www.visioncenter.org/refractive-errors/astigmatism/

"Vision Center is an informational web guide created for those seeking eye surgery and other vision correction options. All content published on Vision Center is researched, written, and edited by licensed optometrists, experienced journalists, and other medical writers in the industry. All pages on our website are fact-based and sourced from recent scientific research, scholarly articles, textbooks, government agencies, and medical journals. Our website also does not host any form of advertisement."

https://www.visioncenter.org/resources/cheap-eye-exams/

How to obtain cheap eye examinations.

https://www.visioncenter.org/refractive-errors/hyperopia/

Hyperopia - farsightedness.