Answer: Fisheyes are almost always used for underwater photography where there are no straight lines to worry about. They also produce sharper images with brighter colors than a rectilinear lens. Depending on your composition, a fisheye can be used to enhance the curvature of the earth
Explanation: I don't know why you are using it. sorry.
Answer:
The Cognitive Behavioural Therapy (CBT)
Explanation
Cognitive Behavioural Therapy (CBT) is a strategy used in talking treatments as a way of helping people manage their problems or phobias. This treatment is used to change the way people think and behave, and it also helps to develop practical ways to deal with phobias. Furthermore, the CBT exposes people to their fears, and gradually they may feel less anxious about it; this is also known as exposure or desensitization therapy.
