Table 1.
Dog breeds used for this study, divided into three and four body mass classes, with mean life expectancy, percentage of dogs diagnosed with cataract between ages 4 and 5 in relation to all dogs examined at this age, percentage of dogs diagnosed with cataract between ages 7 and 10 in relation to all dogs examined at this age, percentage of dogs diagnosed with cataract at age 7 and above in relation to all dogs examined at this age, percentage of dogs diagnosed with cataracts throughout life in relation to all dogs examined, and percentage of dogs examined over age 10 in relation to all dogs examined
| Breed | Mass Cl. (4) | Mass Cl. (3) | Mean Life Expectancy | Cataract 4–5 (%) | Cataract 7–10 (%) | Cataract over 7 (%) | Lifelong Cataract (%) | % Seen Over 10 |
|---|---|---|---|---|---|---|---|---|
| Alaskan Malamute | 65–85 lb | Medium | 12 | 4.54 | 13.45 | 13.00 | 6.28 | 2.76 |
| American Water Spaniel | 40–60 lb | Medium | 12 | 5.00 | 5.88 | 5.00 | 4.96 | 2.48 |
| Australian Cattle Dog | 40–60 lb | Medium | 13.5 | 5.50 | 16.67 | 18.61 | 10.38 | 5.63 |
| Australian Shepherd | 40–60 lb | Medium | 13.5 | 3.47 | 9.64 | 10.55 | 6.36 | 3.20 |
| Australian Terrier | Small | Small | 13 | 5.13 | 9.52 | 9.38 | 4.46 | 9.82 |
| Bearded Collie | 40–60 lb | Medium | 13 | 14.54 | 19.00 | 18.18 | 15.80 | 5.21 |
| Belgian Malinois | 65–85 lb | Medium | 11 | 2.50 | 6.67 | 10.13 | 5.65 | 5.65 |
| Belgian Sheepdog | 40–60 lb | Medium | 12 | 3.01 | 9.09 | 9.91 | 6.22 | 6.45 |
| Belgian Tervueren | 40–60 lb | Medium | 12 | 4.26 | 18.73 | 20.72 | 9.92 | 6.04 |
| Bernese Mountain Dog | Giant | Giant | 7 | 8.55 | 23.03 | 20.93 | 13.41 | 2.40 |
| Bichon Frisé | Small | Small | 13.5 | 5.50 | 17.51 | 18.79 | 10.67 | 5.58 |
| Border Collie | 40–60 lb | Medium | 13.5 | 6.38 | 13.00 | 14.74 | 9.88 | 4.69 |
| Borzoi | 65–85 lb | Medium | 13 | 3.08 | 10.31 | 9.92 | 5.34 | 4.27 |
| Bouvier des Flandres | 65–85 lb | Medium | 11 | 8.11 | 19.28 | 19.64 | 13.40 | 4.74 |
| Boxer | 65–85 lb | Medium | 11 | 2.11 | 8.70 | 5.56 | 3.16 | 6.84 |
| Briard | 65–85 lb | Medium | 11.5 | 2.17 | 14.49 | 12.22 | 4.97 | 5.80 |
| Bullmastiff | Giant | Giant | 8 | 3.85 | 33.33 | 16.67 | 7.02 | 5.26 |
| Cairn Terrier | Small | Small | 13.5 | 1.91 | 6.52 | 10.70 | 7.13 | 13.73 |
| Chesapeake Bay Retriever | 65–85 lb | Medium | 11 | 4.91 | 12.33 | 13.66 | 7.18 | 2.73 |
| Chinese Crested | Small | Small | 11 | 0.77 | 9.47 | 10.74 | 4.45 | 4.13 |
| Collie (Rough) | 40–60 lb | Medium | 14 | 2.91 | 5.29 | 6.55 | 4.14 | 6.26 |
| Curly Coated Retriever | 65–85 lb | Medium | 10 | 2.56 | 13.85 | 15.12 | 6.55 | 6.25 |
| Doberman Pinscher | 65–85 lb | Medium | 10 | 5.99 | 12.94 | 12.62 | 8.24 | 2.97 |
| English Mastiff | Giant | Giant | 8 | 14.53 | 30.51 | 26.47 | 17.30 | 1.42 |
| English Setter | 40–60 lb | Medium | 12 | 3.57 | 9.09 | 8.89 | 7.32 | 7.32 |
| English Springer Spaniel | 40–60 lb | Medium | 13 | 3.71 | 12.01 | 13.53 | 7.23 | 5.93 |
| English Toy Spaniel | Small | Small | 11 | 4.17 | 5.88 | 4.76 | 4.29 | 5.71 |
| Field Spaniel | 40–60 lb | Medium | 11 | 3.49 | 25.93 | 30.00 | 16.30 | 1.63 |
| Flat-Coated Retriever | 65–85 lb | Medium | 12 | 10.24 | 35.98 | 35.05 | 17.58 | 1.93 |
| German Shepherd | 65–85 lb | Medium | 11.5 | 5.91 | 12.82 | 13.16 | 7.41 | 5.77 |
| German Shorthaired Pointer | 40–60 lb | Medium | 13 | 7.76 | 16.33 | 17.74 | 10.24 | 4.44 |
| Giant Schnauzer | 65–85 lb | Medium | 13.5 | 12.90 | 16.67 | 12.50 | 14.58 | 4.17 |
| Golden Retriever | 65–85 lb | Medium | 11 | 5.83 | 20.31 | 20.29 | 9.73 | 2.42 |
| Gordon Setter | 65–85 lb | Medium | 11 | 2.36 | 2.33 | 1.54 | 2.99 | 6.59 |
| Great Dane | Giant | Giant | 8.5 | 6.02 | 2.70 | 4.26 | 5.90 | 2.95 |
| Great Pyrenees | Giant | Giant | 11 | 8.62 | 14.29 | 10.53 | 9.46 | 6.76 |
| Greater Swiss Mountain Dog | Giant | Giant | 11 | 16.98 | 40.00 | 31.25 | 24.49 | 3.06 |
| Greyhound | 65–85 lb | Medium | 13 | 4.76 | 7.41 | 12.90 | 7.63 | 3.05 |
| Havanese | Small | Small | 14.5 | 7.41 | 27.20 | 27.10 | 11.71 | 1.91 |
| Irish Setter | 65–85 lb | Medium | 13.5 | 5.97 | 15.38 | 16.67 | 11.56 | 3.06 |
| Irish Wolfhound | Giant | Giant | 7 | 5.56 | 7.69 | 6.25 | 8.64 | 1.85 |
| Italian Spinone | 65–85 lb | Medium | 13 | 4.00 | 23.08 | 21.05 | 6.70 | 3.35 |
| Jack Russell Terrier | Small | Small | 15 | 4.11 | 9.73 | 10.66 | 6.36 | 3.88 |
| Keeshond | 40–60 lb | Medium | 14 | 9.29 | 13.24 | 17.44 | 10.05 | 4.89 |
| Kuvasz | Giant | Giant | 12 | 2.22 | 0.00 | 0.00 | 3.36 | 2.52 |
| Labrador Retriever | 65–85 lb | Medium | 13 | 6.67 | 21.13 | 21.91 | 11.28 | 2.15 |
| Leonberger | Giant | Giant | 8 | 14.81 | 41.67 | 40.00 | 17.54 | 2.63 |
| Lhasa Apso | Small | Small | 16.5 | 4.26 | 11.76 | 9.88 | 8.85 | 15.63 |
| Löwchen | Small | Small | 13 | 3.49 | 18.75 | 17.95 | 6.76 | 3.15 |
| Miniature Dachshund | Small | Small | 13.5 | 6.25 | 18.92 | 21.43 | 8.70 | 8.26 |
| Miniature Poodle | Small | Small | 13.5 | 3.85 | 12.00 | 15.07 | 8.05 | 6.05 |
| Miniature Schnauzer | Small | Small | 15 | 3.26 | 11.63 | 12.45 | 5.98 | 6.06 |
| Newfoundland | Giant | Giant | 9 | 4.63 | 19.35 | 20.00 | 8.33 | 3.95 |
| Norwegian Elkhound | 40–60 lb | Medium | 12 | 4.67 | 15.63 | 13.41 | 7.98 | 4.79 |
| Norwich Terrier | Small | Small | 13.5 | 0.00 | 2.56 | 10.00 | 4.29 | 9.01 |
| Old English Sheepdog | 65–85 lb | Medium | 11 | 8.10 | 22.22 | 21.62 | 13.98 | 4.24 |
| Papillon | Small | Small | 16 | 1.85 | 11.33 | 13.46 | 5.71 | 6.05 |
| Pointer | 40–60 lb | Medium | 13.5 | 10.00 | 0.00 | 0.00 | 9.23 | 9.23 |
| Portugese Water Dog | 40–60 lb | Medium | 12 | 4.58 | 25.29 | 27.61 | 12.49 | 5.36 |
| Pug | Small | Small | 13.5 | 0.00 | 0.00 | 0.00 | 2.31 | 5.78 |
| Rottweiler | Giant | Giant | 10.5 | 8.09 | 15.63 | 15.33 | 10.05 | 1.60 |
| Saluki | 40–60 lb | Medium | 12 | 0.00 | 0.00 | 6.67 | 8.77 | 7.02 |
| Samoyed | 40–60 lb | Medium | 13.5 | 3.69 | 19.20 | 18.86 | 7.96 | 4.57 |
| Schipperke | Small | Small | 15 | 5.63 | 10.53 | 17.14 | 8.76 | 5.99 |
| Scottish Terrier | Small | Small | 12 | 3.57 | 3.85 | 11.90 | 7.69 | 15.38 |
| Siberian Husky | 40–60 lb | Medium | 13 | 2.04 | 5.39 | 6.09 | 3.30 | 2.40 |
| Silky Terrier | Small | Small | 14 | 15.38 | 13.33 | 16.00 | 14.81 | 18.52 |
| Tibetan Spaniel | Small | Small | 13.5 | 3.16 | 5.56 | 5.43 | 4.18 | 4.40 |
| Viszla | 40–60 lb | Medium | 13.5 | 3.00 | 6.56 | 8.75 | 4.97 | 6.29 |
| Weimaraner | 65–85 lb | Medium | 11 | 4.23 | 11.11 | 10.26 | 4.94 | 1.85 |
| Welsh Springer Spaniel | 40–60 lb | Medium | 13 | 4.17 | 20.00 | 22.86 | 10.00 | 1.92 |
| Yorkshire Terrier | Small | Small | 15 | 0.00 | 14.29 | 14.00 | 7.44 | 18.18 |