Author

Thomas McDonald Page 17

Thomas McDonald is a staff writer at Biology Insights with a focus on everyday vision and eye health. Based in Stowe, Vermont, he spent years writing optical consumer pieces for regional publications. McDonald uses his own experience as a lifelong eyeglasses wearer to explain prescription options and lens care.

Can Contact Lenses Be Bifocal?Eyes & ENT
How Long Can You Safely Wear Daily Contacts?Eyes & ENT
What Happens If I Use Expired Contact Solution?Eyes & ENT
How Long Does Ortho-K Last?Procedures
Can a Prosthetic Eye Fall Out?Eyes & ENT
Can Glasses Give You Better Than 20/20 Vision?Eyes & ENT
Is 1.50 Astigmatism Considered High?Eyes & ENT
Is 11.0 Vision Good? What That Number Actually Means Eyes & ENT
What Is Eye Power and How Is It Measured?Eyes & ENT
Is 15/20 Vision Good? What It Means for Your Eyes Eyes & ENT
Can Glasses Fix Blurry Vision?Eyes & ENT
What Does -4.0 Vision Look Like Without Glasses?Eyes & ENT
Can 20/200 Vision Be Corrected With Glasses?Eyes & ENT
Is 20/40 Bad Vision? What It Means for Your Eyesight Eyes & ENT
Is 20/40 Vision Bad for a Child?Eyes & ENT
What Does It Mean to Have 20/15 Vision?Eyes & ENT
When to Get Reading Glasses: Signs It Might Be Time Eyes & ENT
Is -5.25 Legally Blind? What This Prescription Means Eyes & ENT
Can You Use Contact Solution as Eye Drops?Eyes & ENT
Do You Need Reading Glasses? Common Signs & Causes Eyes & ENT
What Is the Function of the Cornea of the Eye?Eyes & ENT
If 20/20 Is Good Vision, What Is Considered Bad Vision?Eyes & ENT
How to Know if Your Eye Power Has Increased or Decreased Eyes & ENT
What Does -4 Diopter Vision Look Like?Eyes & ENT
What Does 4.75 Vision Look Like for Your Eyes?Eyes & ENT
How Lights Look Without Astigmatism vs. With Astigmatism Eyes & ENT
Is 40/70 Vision Bad? What It Means for Your Eyesight Eyes & ENT
What Does It Mean to Have 20/50 Vision?Eyes & ENT
Why Can I See My Nose All of a Sudden?Eyes & ENT
Can You Go Blind Looking at a Lunar Eclipse?Earth & Space