Canine eye screening and working dogs

Understand clinical screening

The American College of Veterinary Ophthalmologists describes canine eye screening as collecting and evaluating information about eye disease for breeders. An examination can assess structures and findings that a single DNA test does not address. Keep the scheme, examiner, date and original result attached to the dog’s record rather than using the general label eyes clear without context.

Know the genetic limit

The ACVO material on genetic testing explains that tests target particular variants. A test for one inherited form of a disease does not automatically identify every mutation or every disorder with a similar name. Ask which test and breed context are relevant and preserve the laboratory’s explanation instead of treating the size of a panel as completeness.

Report visual concerns separately

A dog bumping into things, hesitating in a new setting or developing a painful-looking eye needs clinical attention even if historic breeding tests were normal. Describe the timing and situation. Sudden visual change or significant eye pain should prompt urgent contact rather than waiting for a routine screening event.

Maintain a usable history

For working dogs, record the task, light conditions and any changes in function without deliberately creating a difficult test. Retain previous reports for comparison. Breeding-screening decisions, diagnosis of a current problem and assessment of practical working needs should each be supported by the appropriate evidence. A public profile should identify the actual test rather than promise lifetime freedom from eye disease.

Common questions

Sources & further reading

References for this guide. Rules and services can change; check the responsible organisation for current details.

• ACVO: Canine eye screening (opens in a new tab)
• ACVO: Role of genetic testing (opens in a new tab)

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