Binocular Vision is the ability to see with both eyes open, and the coordinated use of both eyes perceives a single image.
The process of binocular vision is complex teamwork of the two eyes working together in synergy with the brain. Each eye presents a slightly different image to the brain, and the brain blends the two dissimilar images into a single image by process of fusion.
Apart from giving a single image, binocular vision is also responsible for the perception of depth which is required for 3D vision.
Binocular Vision begins to develop soon after birth. Significant focusing is achieved by six months of life. The accuracy and sharpness of images, along with depth perception, continue to develop between 4 and 9 years of life.
The brain converges overlapping images into one clear picture, but for that, both the eyes must be in perfect alignment, working synchronously. When the two images do not colligate, the brain gets confused with processing the non-aligned images or inputs. In response, the brain forces the eye muscles to produce the alignment and fix the problem. When this happens repeatedly, it puts a lot of strain on the eye muscles making the person symptomatic.
Many adults suffer from constant headaches and nagging eyestrain, especially after long hours of reading and working on computers. It is more relevant today when most people are spending increasing time on digital media like mobile phones, tablets, laptops and computer screens. This affects their work performance and productivity as they have to take constant breaks over long working hours. Binocular vision anomalies of convergence and accommodation (focusing) are the major causes of the problem. These symptoms are broadly stated as “Computer Vision Syndrome” (CVS).
Amblyopia is now recognised as a binocular problem, and newer treatments are aimed at working on both eyes together. The traditional method of treating Amblyopia has been patching or penalisation of the better eye. This treatment has a lot of drawbacks and hence the need for newer approaches in the management. Binocular treatment has shown a lot of promise as it only solves amblyopia but also develops 3D vision.
Small deviations in the eyes (Squint) can be bothersome in a lot of concentrated activities. Binocular Vision management with exercises can result in good control and alignment of the eyes.
Use of digital media is rising across all age groups. More and more people are spending increasing amount..
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