Author

Mark Stephens

Mark Stephens, COA, COT, is an ophthalmic technician at a teaching eye center in Ithaca, New York. In his clinical position, he conducts patient workups and diagnostic ocular testing alongside attending ophthalmologists. Stephens began in orthoptics before moving to general patient workups at a teaching hospital. He also assisted in university clinical research studies examining corneal pathology and related conditions of the ocular surface in clinic patients.

What Do Doctors See When They Look in Your Eyes?
Does the Eye Clean Itself? How the Process Works
Can Your Eye Explode? What Really Happens When It Ruptures
Why Do People’s Vision Get Worse Over Time?
Can You Take Your Eye Out? The Science Explained
What Is the Cornea of Your Eye and What Does It Do?
Beautiful Coloboma Iris: A Unique Eye Condition
What Is an Eye? Anatomy and How Vision Works
What Happens If You Have No Eyelashes?
What Happens to Eyelashes That Go Behind Your Eye?
Why Do My Tears Sting My Eyes?
What Happens If You Get Poop in Your Eye?
Where Is the Conjunctival Sac? Location and Function
How Does Light Travel Through the Eye?
Why Your Eyeball Feels Bruised When Pressed
What Is the Iris Made Of? Layers, Muscles & Color
How to Make Pupils Smaller: Light, Focus, and Drops
What Is the Main Function of Your Lens and Cornea?
What Happens When Light Hits the Retina?
What Do People With Astigmatism Actually See?
Can You Be Born Without Pupils?
What Is the Canthus? Anatomy of the Eye’s Corners
Can Rubbing Your Eyes Change Their Shape?
How Does Reading Affect Your Eyesight?
Why Do My Eyelashes Grow Towards My Nose?
What Holds the Lens in Place in the Eye?
What Causes Gunk in Your Eyes When Waking Up?
What Happens If You Shine a Light in Your Eye for Too Long?
What Is the Purpose of the Lens in the Eye?
What Region of the Eye Contains the Ciliary Body?