Eye Health Issues and Safety

Wearing sunglasses is just one step to healthy eyes. Learn how regular exams, your diet, and other factors can also help maintain your vision through life.

Astigmatism Test: Eye Exam and Online Test

Medically reviewed by Johnstone M. Kim, MD

Pinguecula in the eye.

Pinguecula: Overview and More

Medically reviewed by Bryan M. Wolynski, OD

bag under the eye women

Puffy Eyes: Overview and More

Medically reviewed by Ami A. Shah, MD

Sick frustrated young indian woman cope with headache, face closeup

Crying for No Reason: Causes and Treatment

Medically reviewed by Steven Gans, MD

Mature woman, portrait, close-up of left eye

Cloudy Vision in One Eye: Causes and Treatment

Medically reviewed by Johnstone M. Kim, MD

For Stye Treatment article

How Styes Are Treated

Medically reviewed by Bryan M. Wolynski, OD

Hypertropia: Overview and More

Medically reviewed by Bryan M. Wolynski, OD

tear duct infection

Dacryocystitis (Tear Duct Infection): Symptoms, Causes, Treatment

Medically reviewed by Johnstone M. Kim, MD

Closeup, side view of a brown eye.

Posterior Vitreous Detachment: Coping and Treatments

Medically reviewed by Bryan M. Wolynski, OD

Bacterial pink eye

Bacterial Conjunctivitis (Pink Eye): Overview and More

By Luana Ferreira

Nyctalopia or Night Blindness: Overview and More

By Luana Ferreira

Blue eye with dilated pupil

Dilated Pupils: Causes and What to Do

By Elizabeth Yuko, PhD

bags under the eyes

What Causes Puffy Eyes?

By Steph Coelho

swollen eyeball

Swollen Eyeball: Causes and Treatments

By Yvelette Stines

Ophthalmologist doctor with the snellen chart

Astigmatism: Signs, Symptoms, and Complications

By Luana Ferreira

Stye inside eyelid

Stye Inside the Eyelid: Overview and More

By Vanessa Caceres

Watery Eyes: Overview and More

By Rachael Zimlich, BSN, RN

Woman driving a car with dirty windshield at night inside a tunnel. Detail of hand on the wheel in the dark, surrounded by colored and blur lights

What Is Night Blindness: Overview and More

By Steph Coelho

Close up of wrinkled, puffy eye area

How To Get Rid of Puffy Eyes

By Steph Coelho

How Long Is Pink Eye Contagious?

Medically reviewed by Johnstone M. Kim, MD

What Causes Eye Floaters?

By Luana Ferreira

For What Causes a Stye?

Styes: Causes and Risk Factors

Medically reviewed by Johnstone M. Kim, MD

color blindness test

What Is a Red-Green Color Blind Test?

By Mali Schantz-Feld

Farsightedness: Overview and More

By Luana Ferreira

Eye with a red bump (stye) on the inner corner of the upper lid.

Stye: Signs, Symptoms and Complications

Medically reviewed by Johnstone M. Kim, MD

Man takes photo with phone on rock empire

What Do Color-Blind People See?

By Margaret Etudo

Viral conjunctivitis is highly contagious.

Viral Conjunctivitis: Overview and More

By Brian Mastroianni

Mature women on a medical appointment with ophthalmologist

Posterior Vitreous Detachment (PVD): Overview and More

By Elizabeth Yuko, PhD

What Makes My Eyelid Sore?

By Luana Ferreira

Double Vision (Diplopia): Causes

By Luana Ferreira

A finger pointing to a stye on a woman's lid. Also, a stye on the other lid as well.

Are Eye Styes Contagious?

Medically reviewed by Johnstone M. Kim, MD

Close-Up Of Woman Putting Drop In Eye

Home Remedy for Pink Eye

By Steph Coelho

halos around lights

What Causes Halos Around Lights?

Medically reviewed by Johnstone M. Kim, MD

Eye examination

Can Women Be Color Blind?

Medically reviewed by Bryan M. Wolynski, OD

Blurry image of a young man

Sudden Blurry Vision: Causes and Treatments

Medically reviewed by Bryan M. Wolynski, OD

Eye floaters seen against a blue and white sky.

Eye Floaters: When to Worry About Vision

Medically reviewed by Bryan M. Wolynski, OD

How Long Does Lasik Surgery Last?

Permanent or Temporary: How Long Does LASIK Last?

By Mali Schantz-Feld

Eye floaters seen in sky

Eye Floaters: Overview and More

Medically reviewed by Johnstone M. Kim, MD

Why You Can’t Stop Crying and What To Do About It

Medically reviewed by Johnstone M. Kim, MD

optician testing eyesight

Depth Perception Test: How It Works

Medically reviewed by Johnstone M. Kim, MD

Lost eyelash on finger

Do Eyelashes Grow Back?

Medically reviewed by Johnstone M. Kim, MD

woman putting eye drops in her eyes

Can You Put Neosporin in Your Eye?

Medically reviewed by Ami A. Shah, MD

An ophthalmologist performs an eye exam

How To Get Rid of Eye Floaters

Medically reviewed by Johnstone M. Kim, MD

Man holding an artificial eye

Glass Eye Prosthesis: Overview and More

Medically reviewed by Ami A. Shah, MD

Cornea.jpg used under a Creative Commons license at https://www.flickr.com/photos/kylemay/1573158163/

Conjunctivitis (Pink Eye): Overview and More

Medically reviewed by Johnstone M. Kim, MD

A close-up of blue eye that is bloodshot

Pink Eye (Conjunctivitis): Symptoms and Complications

Medically reviewed by Andy Miller, MD

Woman washing hands in washstand

Causes and Risk Factors of Pink Eye

Medically reviewed by Andy Miller, MD

Doctor checking patient's ocular health

How Pink Eye (Conjunctivitis) Is Diagnosed

Medically reviewed by Andy Miller, MD

Mature man applying eye drops into eye

How Pink Eye (Conjunctivitis ) Is Treated

Medically reviewed by Michael Menna, DO

Sympathetic ophthalmia

Sympathetic Ophthalmia: Symptoms, Causes, and Diagnosis

Medically reviewed by Ami A. Shah, MD

Photophobia: Symptoms, Causes, Diagnosis, and Treatment

Medically reviewed by Claudia Chaves, MD

Eye Tumors: Symptoms, Causes, Diagnosis, Treatment

Medically reviewed by Johnstone M. Kim, MD

Examination of a patient's retinal, conjunctiva, cornea, optic nerve, blood vessels, with a slit lamp

Eye Melanoma - Cancer of the Eye

Medically reviewed by Johnstone M. Kim, MD

Causes of Bloody Tears or Haemolacria

Medically reviewed by Johnstone M. Kim, MD

safety glasses protect your eyes

Eye Protection at Work

Medically reviewed by Ami A. Shah, MD

Man on his phone with glasses

Myopia Control and Prevention of Nearsightedness

Medically reviewed by Johnstone M. Kim, MD

how to stop an eye twitch

How to Reduce or Stop Eye Twitching

Medically reviewed by Johnstone M. Kim, MD

Blonde man rubbing eyes under eyeglasses

Types of Eye Mucus, Discharge, and Boogers

Medically reviewed by Johnstone M. Kim, MD

Blonde man rubbing eyes under eyeglasses

Top 6 Reasons for Eye Irritation

Medically reviewed by Johnstone M. Kim, MD

Woman watching TV

The Ideal Distance for TV Viewing

Medically reviewed by Johnstone M. Kim, MD

Close up of saline dropping on contact lens

Giant Papillary Conjunctivitis or Bumpy Eyelids

Medically reviewed by Johnstone M. Kim, MD

close up of an inflamed eye

Episcleritis Symptoms and Treatments

Medically reviewed by Johnstone M. Kim, MD

Patient speaking with eye doctor

Keratoconus: Symptoms, Causes, Diagnosis, and Treatment

Medically reviewed by Ami A. Shah, MD

older man squinting his eye

Treatment and Causes of Ingrown Eyelashes

Medically reviewed by Bryan M. Wolynski, OD