Antibiotic Eye Injections Halt Lepto-Related Equine Recurrent Uveitis

Intraocular gentamicin injections might be less costly and less invasive alternatives to vitrectomy in horses with early stage ERU, also known as “moon blindness.”

No account yet? Register


Antibiotic Eye Injections Halt Lepto-Related Equine Recurrent Uveitis
ERU has different causes, including a possible genetic origin that seems to be linked to breeds or colors, appearing more frequently in Appaloosas and Warmbloods, said Kleinpeter. | Photo: iStock

Stopping some forms of equine recurrent uveitis might soon be as easy as … sticking a needle in the eye.

Intravitreal (directly into the vitreous, the jellylike part of the eye behind the lens) injections might sound unpleasant. When performed correctly, however, veterinarians can diffuse low doses of the potent antibiotic agent gentamicin into the eye to halt the destruction caused by repetitive bouts of uveitis, said German researchers.

Effective only in cases of leptospirosis-related uveitis, the local injection of low-dose gentamicin is a promising, low-cost alternative to surgical removal of the vitreous—a procedure known as vitrectomy, said André Kleinpeter, Dr.Med.Vet, of the Tierklinik Alt Sammit regional referral equine hospital for northeastern Germany

Create a free account with to view this content. is home to thousands of free articles about horse health care. In order to access some of our exclusive free content, you must be signed into

Start your free account today!

Already have an account?
and continue reading.


Written by:

Passionate about horses and science from the time she was riding her first Shetland Pony in Texas, Christa Lesté-Lasserre writes about scientific research that contributes to a better understanding of all equids. After undergrad studies in science, journalism, and literature, she received a master’s degree in creative writing. Now based in France, she aims to present the most fascinating aspect of equine science: the story it creates. Follow Lesté-Lasserre on Twitter @christalestelas.

Related Articles

Stay on top of the most recent Horse Health news with

FREE weekly newsletters from

Sponsored Content

Weekly Poll

sponsored by:

When do you vaccinate your horse?
393 votes · 393 answers

Readers’ Most Popular

Sign In

Don’t have an account? Register for a FREE account here.

Need to update your account?

You need to be logged in to fill out this form

Create a free account with!