How is your vision now?
when did this happen?
about one hour ago with no pain
one hour ago with no pain
There are two reasons this could happen.
The first is a mini-stroke of the optic nerve.
The second is a retinal detachment.
Do you have an ophthalmologist you see on a regular basis?
I recommend you call your ophthalmologist after hours.
if it is a retinal detachment, it should be diagnosed promptly.
should I go to emergency
If your ophthalmologist is not available, there is likely someone who is on call for him.
i would try your ophthalmologist first and talk to him on the phone.
okay thank you. I have history of Ca of lung . Is this a concern?
less of a concern for your current symptoms.
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You are very welcome.