You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Campimetry is used to measure and explain in detail?
Normal extent of field of vision for white color is Superior: 60o Nasal: 60o Inferior: 70o Temporal: 100o Field of vision for blue and yellow color is roughly 100 less and that for red and green color is about 200 less than that for white. (smallest is with green color) Red color perimetry is paicularly useful in the diagnosis of bitemporal hemianopia with chiasmal compression and of central scotoma of retrobulbar neuritis. Static perimetry is performed with adopted goldmann perimeter. Friedman perimeter and automated perimeter. Campimetry is performed to evaluate the central and paracentral area (300) of the visual field on Bjerrum's screen Bjerrum's Tangent Screen