What is a Hydrus microstent and what is its purpose?

Written in association with: Professor Kin Sheng Lim
Published:
Edited by: Aoife Maguire

What is a Hydrus microstent? 

A Hydrus microstent is a small, flexible device that is inserted into the eye during cataract surgery in order to improve the outflow of fluid from the eye.

It is used in combination with cataract surgery, in order to help lower intraocular pressure (IOP) for patients with open-angle glaucoma.

 

 

When and how is it used?

The Hydrus microstent is typically used during cataract surgery. Cataract surgery is a surgical procedure performed to remove the clouded lens of the eye and replace it with an artificial lens.

 

During the procedure, the microstent is inserted into the eye through a small incision in the cornea. Once in place, it helps to improve the outflow of fluid from the eye and reduce IOP.

 

Why might a Hydrus microstent be necessary when performing cataract surgery?

The main reason the Hydrus microstent might be necessary during cataract surgery is to treat open-angle glaucoma. This is a condition in which the fluid pressure inside the eye is too high and can damage the optic nerve.

 

High IOP is a major risk factor for glaucoma, therefore reducing IOP can aid prevention of glaucoma or it may slow the progression of the disease.

 

What are the potential risks?

As with any surgical procedure, there are potential risks associated with the use of the Hydrus microstent. Risks may include infection, bleeding, and formation of scar tissue.

 

Additionally, there is a risk of damage to the cornea or to other parts of the eye during the insertion of the microstent.

 

Is the procedure safe?

The Hydrus microstent has been studied extensively and it has been proven to be safe. It has also been proven to be effective in lowering IOP in patients with open-angle glaucoma.

 

However, as with any medical procedure, it is essential to discuss the potential risks and benefits with your doctor. It is of utmost importance to carefully follow their instructions before, during, and after the procedure

 

By Professor Kin Sheng Lim
Ophthalmology

Professor K. Sheng Lim is an internationally renowned consultant ophthalmologist based in London specialising in glaucoma and cataract surgeries.

After qualifying from University of Leicester, he obtained his doctorate in medicine from University College London, receiving most of his general ophthalmology training at Moorfields Eye Hospital, the Western Eye Hospital, and the Royal Free Hospital. He underwent further glaucoma training at Moorfields Eye Hospital and The Mayo Clinic in Minnesota, USA. Professor Lim is a consultant, the head of ophthalmology research and the director of the KCL Frost Eye Research Department at St Thomas' Hospital.

He is also the professor of glaucoma studies (Ophthalmology) in the Faculty of Life Sciences and Medicine at King's College London, and has been involved in many landmarked studies in the treatment of glaucoma and is currently the principal and chief investigators of many on-going studies. He is at the forefront of his field, with clinical expertise in cutting-edge glaucoma surgeries such as iStent, Hydrus, PreserFlo (MicroSHunt), ECP laser, laser iridotomy, SLT laser, trabeculectomy, Baerveldt tube and more. He also specialises in cataract surgery, and carries out high volumes of cataract surgery each year.

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