Eye

How Does the Eye Work?

The human eye is a wonder of engineering. It consists of many different parts that work together to provide visual information to the brain, which then translates it into information that is useful to the body.

Can Blue Light Blocking Technology Combat Digital Eye Strain?

Looking After Your Eyes During Old Age

Eye Health and Diet

Importance of Regular Eye Checks and the Check-up Procedure

How Does a Cornea Transplant Work?

Genetics of Eye Color

Symptoms and Diagnosis of Eye Allergies

Risks Associated with Eye Make-Up

Managing and Treating Eye Allergies

Anatomy of the Human Eye

Types of Eye Allergy

See more featured articles »

What are Aberrations of the Eye?

Conjunctiva microbiota

Eye Care for Children

Detecting Brain Disease Using the Eye

Smoking and Eye Health: What You Need to Know

Screen Time and Eye Health

Air Pollution and Eye Health

Health Risks and Benefits of Eye Drops

Latest Eye News and Research

Metformin linked to lower odds of intermediate macular degeneration in people with diabetes

A five-year image-based study in people with type 2 diabetes found metformin use was associated with lower odds of developing intermediate age-related macular degeneration. The observational findings suggest a potential protective link but do not establish causation and warrant prospective clinical trials.

4 Feb 2026

Everday diabetes medicine linked to less progression of age-related macular degeneration

Doctors have found that metformin, an everyday medicine for diabetes, is associated with less progression of age-related macular degeneration (AMD), the commonest cause of blindness in western countries.

3 Feb 2026

Mouse study reveals mechanism driving first night insomnia

You check into a hotel and toss and turn all night, but your sleep improves the following night. Scientists at Nagoya University wanted to understand why this happens.

2 Feb 2026

Playing pink noise during sleep could be harmful for children

Pink noise-often used to promote sleep-may reduce restorative REM sleep and interfere with sleep recovery.

2 Feb 2026

Blood gene signals reveal Parkinson’s risk years before diagnosis

Blood-based DNA repair and stress-response signals reveal early molecular changes in Parkinson's disease, aiding in potential early diagnosis and intervention.

2 Feb 2026

Chlamydia pneumoniae found in the eye may aggravate Alzheimer’s disease

Chlamydia pneumoniae—a common bacterium that causes pneumonia and sinus infections—can linger in the eye and brain for years and may aggravate Alzheimer’s disease, according to a study from Cedars-Sinai.

1 Feb 2026

Research reveals a link between defective DNA repair and immune-driven inflammatory disease

Unrepaired DNA-protein crosslinks (DPCs) – highly toxic tangles of protein and DNA – cause a process that leads to premature aging and embryonic lethality in mice.

31 Jan 2026

Blurry line between medical and vision insurance leaves patient with unexpected bill

Barbara Tuszynski was concerned about her vision but confident in her insurance coverage when she went to an eye clinic last May.

30 Jan 2026

Sleeping without pillows may help reduce nighttime eye pressure in glaucoma

Sleeping without pillows may help lower high internal eye pressure, build-up of which causes optic nerve damage and glaucoma-the leading cause of irreversible blindness worldwide–in people with the condition, suggests preliminary research, published online in the British Journal of Ophthalmology.

27 Jan 2026

Antibody-producing plasma cells shape effectiveness of PD-1 immunotherapy

Scientists at the Icahn School of Medicine at Mount Sinai have identified an important immune response that helps explain why some cancer patients benefit from immunotherapy while others do not.

27 Jan 2026

MRI measures of glymphatic activity may improve noninvasive intracranial hypertension diagnosis

A new study led by investigators from Mass General Brigham shows that a brain waste- "clean-up" system is influenced by intracranial pressure.

27 Jan 2026

New research initiative aims to develop retinal screening tool for Alzheimer's

The human eye may literally become a window revealing the earliest signals of Alzheimer's disease, thanks to a new federally funded research initiative at Oregon Health & Science University.

27 Jan 2026

Hospital-based program reduces re-injury, violence among victims

A hospital-based program that supports victims of gun and knife violence can reduce the likelihood that those victims will be reinjured or commit violence themselves, according to a new Boston University study.

27 Jan 2026

New contact lens technology offers high-sensitivity, real-time intraocular pressure monitoring

Glaucoma is a leading cause of blindness among people who are unable to monitor and manage their intraocular pressure (IOP) daily. The current tools for IOP measurement are not portable, convenient, easily accessible, or capable of continuous (24/7) monitoring.

27 Jan 2026