VISUAL FIELD ANALYSIS - The field of vision depicts the side vision when one is gazing directly ahead. The testing of the degree of the side vision is significant in the conclusion and follow up of a few infections including glaucoma, and illnesses relating the eye with the mind (neuro-ophthalmology). The test is typically done on automated machines ( Humphrey field analyzer). 

The machine is modified to test a few focuses, now and again more than once with changing brightening. The test may require some serious energy relying on the imperfection in a given patient. The PC has inbuilt programming that empowers an examination of the field graphing on recurrent testing of a similar patient. 

HESS AND DIPLOPIA CHARTING - These two tests empower the estimation of misalignment between the two eyes. This sort of issue prompts a state of twofold vision in a patient. The degree of the twofold vision and the course in which it is maximal can be outlined by utilizing these two tests. The tests are finished utilizing red and green goggles wherein one shaded glass is put before one eye and the other before the other. 

Shading VISION TESTING - Color vision is a significant part of human vision. Deformities in this can be by birth or because of any procured sicknesses. The testing is finished utilizing one of the two strategies.