Helmholtz's Theory of Accommodation

Helmholtz's accomadacy theory is one of the fundamental theories of eye biology, which explains the mechanisms of focusing of the eye at various distances. According to this theory, the eye has the ability to automatically change the curvature of the cornea to achieve better focusing of vision.

Helmhold's theory takes its name from the German ophthalmologist Ernst Helmholtz, who first described the concept in his works. He suggested that there is a mechanism in the eye that regulates the curvature of the lens depending on the distance to the object. This mechanism is called the accommodative reflex and it allows the eye to focus on objects at different distances from it.

The basic principle of the Helmholtz mechanism of accommodation is that, when necessary, the eyes focus on a close object, the lens becomes more convex and focuses light on the retina. On the other hand, if you need to see a distant object, the lens deforms slightly and becomes less convex in order to focus light on the retina correctly.

In addition to visual function, accommodation plays an important role in the eye's ability to detect depth in an image. When we look at an object, the accommodative reflex causes our eye muscle to contract and lead to additional growth of the lens. This allows the eye to compensate for the difference between objects at close and far distances and to differentiate the depth of the image.

In addition, accomatadic abilities are of great importance for the proper development of visual functions. In newborn babies, the eye muscle is not yet developed, and accommodation does not work correctly. Ophthalmologists prescribe special glasses that help children focus on objects located at different distances from them. Children's glasses for each child are designed for a specific need of the eye muscles, located at the selected child's age. While wearing glasses, children observe the process of accommodation development and vision improvement.