Below is a list of health concerns in the breed, and testing available
Epilepsy: https://www.ufaw.org.uk/dogs/border-collie-idiopathic-epilepsy
Early Adult Onset Deafness (EAOD): https://bordercolliefoundation.org/general-news/the-current-state-of-testing-for-early-adult-onset-deafness-eaod/
Hip Dysplasia (HD): https://ofa.org/diseases/hip-dysplasia/
Collie Eye Anomaly (CEA): https://vcacanada.com/know-your-pet/collie-eye-anomaly
Trapped Neutrophil Syndrome (TNS): https://vgl.ucdavis.edu/test/tns-border-collie
Imerslund-Grasbeck Syndrome (IGS): https://vgl.ucdavis.edu/test/imerslund-grasbeck-syndrome
Neuronal ceroid lipofuscinosis (NCL): http://labgenvet.ca/en/disease/neuronal-ceroid-lipofuscinosis-5-ncl-5-border-collie/
Multidrug Sensitivity (MDR1): http://vcpl.vetmed.wsu.edu/
Goniodysgenesis and Glaucoma, Pectinate Ligament Dysplasia, PLD: https://embarkvet.com/products/dog-health/health-conditions/goniodysgenesis-and-glaucoma-pectinate-ligament-dysplasia-pld/