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A positive person.XD
An optimist.
Optomist
A person who looks on the gloomy side of things is pessimistic.
Pessimist
Someone who looks on the bright side of things is often called an optimist. This individual tends to focus on the positive aspects of situations and maintains a hopeful outlook.
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Pessimism
Optimist
Optimist
Optimist
I think you mean an optometrist, yes they can repair glasses. an optimist is a person who always looks on the bright side of life.