I asked because a cloudiness to the eye doesn't necessarily mean a dog is blind. It can occur for a variety of reasons.
Your dog may have glaucoma or Anterior Uveitis or a corneal ulcer or cataracts. Symptoms of Glaucoma include conjunctivitis (red eye), discharge from the eye, light sensitivity, possible swollen eye. As the condition worsens and pressure increases, the pupil can dilate and the cornea becomes cloudy. It is important to diagnose this early to save the dog’s sight in the eye. Depending upon the underlying cause for the Glaucoma, the other eye could also be at danger as well. Treatment depends upon identifying the underlying cause for the increased pressure in the eye. You can read more about this here;
Symptoms of Anterior Uveitis are similar and include redness, tearing, squinting in bright light, small or uneven pupil, cloudy appearance to the eye and a unevenly colored iris. Treatment for this condition may be topical or oral medication depending on the cause. You can read more about this here:
A corneal ulcer may also be to blame and may be caused by injury, eyelashes scratching the eye and has similar symptoms to those of glaucoma and anterior uveitis. The third eyelid frequently covers the eye so sometimes the eye is not able to be seen. You can read about this here:
You haven't mentioned that there were other symptoms of redness or discharge, so if that is true, cataracts might be the cause. You can read up on Cataracts here:
The following site goes over reasons for cloudiness of the eye.
However, some cloudiness as a dog ages is normal and called nuclear sclerosis. Cholesterol or triglyceride deposits can also cause cloudiness as well. If it is cataracts, there are treatment methods available including surgery. The cost of surgery is going to vary based on the surgeon and state involved. Where I live in NC, cataract removal is $1,000- $1,300 for one eyed and for both is an additional $500-700. Your best bet would be to locate a surgeon where you live. The following site may help you locate a surgeon:
Their office should be able to give you an estimate for the surgery. Be sure to find out what exactly is included in the estimate such as pretesting, and follow up visits.
The following site has information on what you can expect.
There has been some talk about drops that help with cataracts though this would have to be discussed with your vet. Here is a site that goes over this.
If your vet is not suggesting treatment and your dog is healthy, you might want to see a specialist. You can use the link below to find an ophthalmologist.
I hope this information is helpful to you. If you would like any additional information or have more questions please don’t hesitate to press the reply to expert or continue conversation button so I can address any issues you still have . If you do find this helpful, please take this opportunity to rate my answer positively so I am compensated for my time.