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    Protecting your horse's eyes—what you need to know, our recommendations

    Medical Training du cheval : l’entraînement aux soins expliqué par Caroline Raillard

    décembre 09, 2025

    Découvrez comment le Medical Training facilite les soins ophtalmologiques de votre cheval. Conseils d’une spécialiste et ressources vidéo + stages pour apprendre à pratiquer.
    See the entire article

    Monitor the UV index: protect horses' eyes all year round

    October 21, 2025

    Even in fall or winter, UV rays can damage the eyes of sensitive horses. Keep an eye on the UV index and adjust their eye protection accordingly.

    See the entire article

    How can I tell if my horse is bothered by the light?

    October 7, 2025

    Horses can be greatly bothered by bright light, especially those with sensitive eyes or certain conditions such as uveitis. Identifying this disorder is essential to ensuring your horse's comfort and preventing health problems from worsening.
    See the entire article

    Which work goggles should I choose for my horse?

    July 18, 2025

    Does your pony or horse need eye protection at work? There are two solutions available: eVysor and equigoogs. But what are the differences? 

    See the entire article

    How can recurrence of uveitis in horses be prevented?

    March 22, 2025

    Recurrent uveitis is a common condition in horses, causing repeated inflammation of the eye. This disease can lead to vision loss if not treated effectively. It is essential to implement preventive strategies to minimize the risk of recurrence.

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    Conjunctivitis in horses: causes, symptoms, prevention

    January 28, 2025

    Conjunctivitis is a common condition in horses, causing pain and discomfort. It is crucial to identify it as early as possible so that it can be treated promptly to avoid complications. Find out about the causes and symptoms of conjunctivitis in horses and what you can do to prevent it from occurring.
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    The impact of climate change on horse health

    July 2, 2024

    Heat waves, droughts, torrential rains—climate change has consequences for human and animal health as well as biodiversity. Horses today suffer from disorders and diseases that are directly attributable to climate disruption.

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    What is headshaking or incense burning in horses?

    April 15, 2024

    Headshaking, or head shaking, is a highly debilitating condition that greatly hinders riding and can even affect the relationship between rider and horse. This disorder requires thorough investigation in order to restore the animal's quality of life and harmony with its rider.
    See the entire article

    Should you clean your horse's eyes?

    January 15, 2024

    Why and how to clean your horse's eyes, what equipment to use, what signs should prompt you to call the vet: all our practical advice for good eye health for your horse.
    See the entire article

    Equigoogs glasses for ponies and horses: progress report

    November 27, 2023

    The development of EQUIGOOGS® glasses for ponies and horses with sensitive eyes continues: patent filed, straps manufactured, anti-scratch and anti-fog treatment in progress.

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    Which UV protection mask should I choose for my horse?

    June 13, 2023

    Need help choosing the right protection from the sun, insects, wind, and dust for your pony or horse with sensitive eyes? Follow the guide.
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    New products from equidiva for 2023!

    January 12, 2023

    Lots of exciting surprises in store for 2023 with the launch of two new eye protection products forShetland ponies, ponies, horses, and draft horses: the modified Premium field mask and a truly innovative new pair of work goggles.
    See the entire article


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    What size should I choose for my Equidiva mask/hat?

    All measurements are approximate and are provided for informational purposes only.

    Size guide - Premium or Helios mask

    Using a tape measure (or a piece of string that you will measure afterwards), measure around your horse's head as shown in the photo:


    Mask size Head circumference
    XS - Shetland 84 cm
    S - Pony 90 cm
    M - Cob 94 cm
    L - Full 100 cm
    XL - XFull 110 cm
    If your horse's head measurement falls between two sizes, we recommend choosing the larger of the two.



    Size guide - Equivizor masks (Lightweight, Arso, Convalescence models)

    For these masks, the main measurement is the width of your horse's forehead. To do this, you need to add together three measurements:

    1. Start at the outer corner of one eye and measure upwards at a slight angle to the middle of the forehead (measurement A).
    2. continue along the front of your horse(measurement B),
    3. Finish the measurement by directing the line slightly downward to the outer corner of the other eye (measurement C). This way, you will measure the widest part of your horse's forehead.

    Add these 3 measurements (A+B+C) to obtain the size of your horse's forehead.

    IMPORTANT: Do not measure directly from one eye to the other, as this will likely result in an inaccurate measurement.

    equivizor mask measurements

    Mask size Forehead size
    XS - Shetland 7.5–8.7 inches
    S - Pony 8.7–11.4 inches
    M - Cob 11.5–13.5 inches
    L - Full 13-14 inches
    XL - XFull 15-17 inches


    Size guide - Rambo mask

    Take these 3 steps:


    Size A B C
    XS (large Shetland) 60 cm 84 cm 20 cm
    S (pony) 70 cm 96 cm 9.5 inches
    M (cob) 70 cm 96 cm 9.25 inches
    L (full) 75 cm 105 cm 27 cm

    If your horse is between sizes, we recommend choosing the smaller size.


    Size guide - Equivet mask

    Measure the distance between the center of the horse's two eyes:


    Mask size Distance between the eyes
    S - Pony 18 cm
    M - Cob 21 cm
    L - Full 9.5 inches
    XL - XFull 26 cm


    Size guide - eVysor glasses

    The eVysor mask is available in one size. It is suitable forcob orfull horses. It can also sometimes fit large ponies (D ponies).
    evysor measurement



    Made a mistake? Exchanges are always possible, and we will process them as quickly as possible provided that you return the item to us intact within 14 days.
    > See the return policy