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Binocular vision is important to us as it keeps our eyes aligned and in sync. Whenever we are focussing on a particular object or following something in our sight, our brains fuse the images for each eye together, so that we constantly perceive one image. Our brain does this by telling each of the six muscles of each eye how to move in a synchronised fashion. A good binocular system also allows us to see the world in 3D.In a normal person both eyes are straight and moving to various directions together in a pattern.

But few people have some problem with this together eye movement in several directions and even when eyes are straight position. This kind of situation can be describes as squint or strabismus.This squint condition can lead to vision problem, 3D vision and cosmetic appearance. The best thing is to detect these clinical conditions early and get the best possible correction for them. Orthoptic assessment is a collection of testing procedures to evaluate eyes with such kind of situation.

Symptoms of reduced binocularity may include headaches, eye strain, blurred vision, double vision or even a change in head posture. These symptoms may be subtle and are often overlooked. Problems with our binocular system can arise through various reasons. The problem may have arisen from birth or from a young age, or it may be associated with certain syndromes, systemic or neurological diseases, or as a result of an injury. It can occur at any stage in life.

There are several test procedures include in the orthoptic assessment and few of them as below.

  • Refraction

    It is the primary procedure for vision assessment and finds the spectacle lenses power on vision problem. It takes around 15 minutes and it is recommended to bring the present glass prescription and past medical records.

  • Extra ocular muscle tes

    Sometime our eye muscles are not moving together and this procedure used to evaluate them.

  • Cover test

    There are some eye deviations of eye movements which are visible to in open and closed condition. That will be finding with helping cover test.

  • Convergence test

    There are few people with difficulty to see near thing for long time for some reasons. This is used to measure the amount of convergence of your eyes.

  • Streoacuity test

    Some people have difficulty to climb stairs, walking on the road and missing catches while playing. That can be due to weaknesses of the 3D vision. This is to find the level of 3D vision which you have in your both eye.

  • Prism cover test

    This test is used to find the required power for the correction of squint.

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