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If you notice changes in your vision, such as blurred or distorted sight, difficulty seeing at night, or frequent changes in prescription glasses, it may indicate vision problems. Other signs include difficulty focusing on objects, experiencing glare or halos around lights, and having trouble distinguishing colors. It's essential to consult an eye care professional if you experience any of these symptoms to determine the cause and receive appropriate treatment. Early intervention can help preserve your vision and address underlying issues.
What else can I help you with?
What is the name of the study where neither the researchers nor the participants know who is getting the real treatment?
double blind
When is a double-blind study not possible?
A double blind surgery is not possible when the medical intervention a patient is getting cannot be kept from them, such as a surgery. Both the scientist and the participant in the trial know exactly what the participant is getting done in the trial.
What is a double-blinded study?
I want to know if a medication has the desired effect. I'm going to give half the subjects the 'live' med, and half will get a placebo. The subjects will not know which one they are getting. That's one level of "blind". Studies show that there is a measurable affect based on the fact that the person distributing the med's knows who is getting the med and who is getting the placebo. So I am going to package the med's and give them to the distributing nurse, and the nurse will not know who is getting the med and who is getting the placebo. That is "double blind" model.
Do blind see their dreams?
Yes they do I should know I am blind
Can you go blind after getting the measles?
Not usually.
How does a person whom is blind know about art?
They hear it. Though they are blind in sight, they aren't blind in hearing.
Is blindness heriditary?
I t may or may not be. People are not always born blind. Take Helen Keller for instance. She became blind after getting sick as an infant. No one in her family was blind as far as they know. So if you are worried about becoming blind because other in your family have, then I suggest you talk to an eye doctor about your concerns. No one knows more about the subject then he or she will.
What is the difference between a blind study and a double-blind study?
In a blind study, the participants do not know which treatment they are receiving, while in a double-blind study, both the participants and the researchers do not know which treatment is being administered.
How did Clara Barton became blind?
Betsy Ross became blind when she was getting older in life. She died when she was 84.
Was St Cecilia blind?
We Dont actually know if saint cecilia was blind because cecilia means blind.
Which mammals are born blind and helpless?
Well, most mammals (including humans) are considered blind when they are first born, bats are blind, and moles are almost blind. They can see underground but are blind above ground because the sun is too bright.
Is Sonic blind?
no if he was blind will know where he's going or find egghead or egg man
