Hani Salehi-Had MD

04/25/2026

Immune Cells Play Key Role in Regulating Eye Pressure Linked to Glaucoma, Research Reveals

When the eye's drainage system clogs, pressure builds up and causes damage. The pressure can lead to glaucoma and vision loss. New research, published in the journal Immunity, reveals that a specialized set of immune cells act as the cleanup crew, pointing to a promising new target for therapies to....

04/22/2026

Happy Earth Day!

04/18/2026

Closing your Eyes Might not Help you Hear Better After all

Most people will close their eyes when trying to concentrate on a faint sound. Many of us have been told that keeping our eyes closed helps us hear better that it frees up our brains' processing abilities and increases our auditory sensitivity. However, that strategy may sometimes backfire, particul...

04/11/2026

Why Arthritis in Children Can Threaten Eyesight

Arthritis is often associated with older age, but it also affects children. One of the most common forms is juvenile idiopathic arthritis (JIA), an inflammatory condition that causes persistent joint swelling and pain.

04/04/2026

What is `Eye Stroke` and Why has it Been Linked to Weight Loss Injections?

The phrase "eye stroke" has recently appeared in news reports about a very rare side effect of weight-loss injections. It's not a formal medical diagnosis, but a shorthand used to describe a condition in which reduced blood flow damages the optic nerve and causes sudden vision loss.

03/28/2026

What`s the Link Between Tattoos and Vision Loss? Two Optometrists Explain

Getting a tattoo can be a thrilling, albeit painful, experience. About one-third of Australians have a tattoo, with many getting inked as a rite of passage. However, a small but increasing number of Australians are being diagnosed with a rare tattoo-related eye condition. It's known as tattoo-associ...

03/20/2026

A new robotic system could perform delicate eye surgery.

Retinal vein occlusion (RVO) is a severe disease that occurs when a vein in the light-sensitive layer at the back of the eye (i.e., the retina) becomes blocked, which results in a loss of vision. There are currently a few medical interventions that address RVO, including the periodic injection of me...

03/13/2026

Pierced by Light: Cosmetic Laser-Induced Macular Injury.

A workplace injury required surgical intervention to repair a full-thickness macular hole.

03/06/2026

Retina-on-a-chip offers promising perspectives for rare eye diseases.

Researchers at the University of Twente and Radboudumc are developing a promising new model to enhance understanding of the human retina. They are developing a retina-on-a-chip, in which the three main layers of the retina will eventually be combined. The first two layers have now been successfully....

02/27/2026

Study Reveals Potential Therapeutic Target for Treating Glaucoma.

Researchers have identified a metabolically sensitive cell subtype in the eye's drainage system which shows early signs of dysfunction in a genetic mouse model of glaucoma.

02/20/2026

Sleeping Without Pillows may Lower Harmful High Internal Eye Pressure in People with Glaucoma.

Sleeping without pillows may help lower high internal eye pressure, the 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...

02/17/2026

How diabetes affects your eyes.

The eye contains a sensitive layer called the retina, the light-sensitive tissue at the back of the eye, which plays a vital role in vision. The blood vessels in the retina can be affected by diabetes, leading to a condition known as diabetic retinopathy. It can develop in anyone with type 1 or type...