Here are some articles that might help you avoid using harmful disability tropes in your works.

Disability Tropes 101 series, by Derek Newman-Stille

Derek Newman-Stille is a nine-time Prix Aurora Award winner for their humanities website, Speculating Canada, a blogger at Dis(abled) Embodiment, and they also teach disabilities studies at Trent University. Derek wrote several articles for the Spoonie Authors Network in a series called Disability Tropes 101. Here are the links to these posts:

• Disability Tropes 101: Chronic Complainers and Hypochondriacs
• Disability Tropes 101: The Lithium Kiss
• Disability Tropes 101: Upgrade My Body
• Disability Tropes 101: The “Tiny Tim”
• Disability Tropes 101: Manipulative Sympathy
• Disability Tropes 101: Overcoming
• Disability Tropes 101: The Outsider
• Disability Tropes 101: Karmically Disabled
• Disability Tropes 101: “The Genius Cripple”