Visible Eye

Eye Health

Your eyes are your windows to the world. Learn how to maintain your eye health and what to expect from exams and treatments for common vision problems.
What Is Nyctalopia (Night Blindness)?
Ophthalmologist doctor with the snellen chart
Symptoms of Astigmatism
Watery Eyes: Overview and More
Pink Eye
How Long Is Pink Eye Contagious?
eye floaters
What Causes Eye Floaters?
For What Causes a Stye?
Styes: Causes and Risk Factors
What Is Farsightedness (Hyperopia)?
Viral conjunctivitis is highly contagious.
What You Should Know About Viral Conjunctivitis
Close up of a blue eye.
Optic Nerve Pit: Structure, Causes, Diagnosis, Treatment
Eye drop being instilled in a young woman with brown eyes. Image shows close up of eye and eye drop.
Preservative-Free Eye Drops
Using an Amsler grid to test central vision
Understanding Central Vision
eye exam
What Is Bull's-Eye Maculopathy?
Man with his head tipped back and a warm compress over his eyes.
What to Know About Warm Compresses For the Eyes
FML (Fluorometholone) Ophthalmic: Uses, Side Effects, Dosages
Human eye
What Is Acute Zonal Occult Outer Retinopathy?
Blood sugar check
What You Need to Know About Diabetic Retinopathy Screening
eye exam
What Is Valsalva Retinopathy?
eye exam
What Is Crystalline Retinopathy?
Doctor examining patient's eye with flashlight
What Is Autoimmune Retinopathy?
Eye exam
Treatment Options for Retinopathy
Dry eye symptoms
What to Know About Fish Oil for Dry Eyes
Eye doctor examining woman’s vision
What Is Central Vision Loss?
Woman rubbing her eyes
What Is Excess Fluid in Eyes?
a doctor examining a patient's eye
How Are Hypertensive Retinopathy and Diabetic Retinopathy Different?
a doctor checking a patient's eyes
What Is Cancer-Associated Retinopathy?
Man getting eye exam
What Is Solar Retinopathy?
Red, irritated eye
What Is Fishing Eye Syndrome?
Young boy looking at wall eye chart
Does 20/20 vision really mean you have perfect vision?
Eye exam for a young boy performed by an eye doctor.
What Is Retinoschisis?
Eye with lower lid entropion.
What Is Entropion?
Older age woman putting drops in her eye
Eyes on Steroid Drops: How to Select the Right One
What Is Aphakia?
woman's face close up
What Are Double Eyelids?
The city center of Madrid as seen from some myopia glasses.
How Myopia Is Treated
Doctor administering eye drops to a reclining woman
What to Know About Atropine Drops and Ointment
What Is Mydriasis (Dilated Pupils)?
What Is Heterochromia?
What Is Esotropia?
What Is Oscillopsia?
man rubbing his eyes
What Is a Blocked Tear Duct in Adults?
Close-up of young woman
Living With Thyroid Eye Disease
Eyebright capsules, powder, and nasal spray
The Health Benefits of Eyebright
close up of eyes of man and woman
Causes and Risk Factors of Thyroid Eye Disease
woman at eye doctor
How Thyroid Eye Disease Is Diagnosed
Close-up of woman putting in eye drops
How Thyroid Eye Disease Is Treated
Young woman checking her eye in the mirror
Symptoms of Thyroid Eye Disease
a woman taking care of her eyes
How Do I Treat My Dry Eyes?
bag under the eye women
Why Are My Eyes Puffy?
close-up of eye
What Are Monolids (Epicanthal Folds)?
What Is Hypertropia?
Human eye
Types of Eye Infections
Close-up of brown eye
What Is the Most Common Eye Color?
For Erythromycin Ointment
What to Know About Erythromycin Eye Ointment
Man having an eye exam at ophthalmologist's office
What Is a Marcus Gunn Pupil?
Detail of a person's eye
Blurry Vision in One Eye
Female patient undergoing laser eye surgery at clinic
Eye Surgery to Correct Vision Problems
Woman at optometrist
What Is the Difference Between an Optometrist and an Ophthalmologist?
eye and letters
How To Improve Your Eyesight
color blindness test
What Is a Red-Green Color Blind Test?
Man takes photo with phone on rock empire
What Do Color-Blind People See?