PHILADELPHIA (AP) — Veterinarians at the University of Pennsylvania say they will conduct free eye examinations next month for service dogs.

The National Service Dog Eye Exam is a nationwide philanthropic effort provided by board-certified veterinary ophthalmologists, who donate their time and services to provide the exams free to registered service dogs.

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The exams will be offered May 20-24 at Penn’s veterinary hospital in Philadelphia.

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To qualify, animals must be “active working animals” that were certified by a formal training program or organization or are currently enrolled in a formal training program. The certifying organization could be national, regional or local.

More information and an online registration form can be found at Registration ends April 30.

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