Advanced eye screening provides a broader picture on the dog's health and vision, allowing it to detect both hereditary and acquired abnormalities. To complete such screening, a fairly highly specialized ophthalmologist and special equipment are required: indirect ophthalmoscopy and slit lamp biomicroscopy. To correctly assess the lens and retina of the eye, the pupils are artificially dilated with special drops, but usually, the examination does not take much time, and the dog's clarity of vision returns quite fast. This diagnostics allows to detect such pathologies as glaucoma, eyelid/eyelash abnormalities, cataracts, diseases of the cornea and iris, PHPV (persistent hyperplastic primary vitreous) PHA and retinal dysplasia, as well as several other possible inheritable eye disorders. The breed community recommends doing the screening after the dog hits 12 months of age and ideally could be to repeat it every year after, especially before breeding. A good practice could be to do the very first screening at the age of 10-12 weeks to exclude congenital pathologies and PHPV.