A. Nuclear sclerosis is an age-related change that occurs within the lens of the eye. The pupil will normally take on a cloudy whitish or bluish appearance instead of being black. This is normal and I would typically expect to see it in dogs that are 8-10 years or older. This does affect the sharpness of your dog's vision, but usually not enough to cause any day to day problems. I would always joke to clients that if their dog were to try tomread the small print of a newspaper or drive at night, they may have some difficulty, but luckily dogs don't have to do those sort of things.
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