Can a contact go behind your eyeball? This is a question that often plagues contact lens wearers, especially those who are new to the world of vision correction. The answer, however, is quite straightforward. In this article, we will delve into the mechanics of the eye and explain why, in reality, a contact lens cannot go behind your eyeball.
Contacts are designed to sit directly on the cornea, the clear, rounded front surface of your eye. The cornea is responsible for most of the eye’s focusing power, and the contact lens is positioned to correct vision by bending light as it passes through the lens. Because of this, contacts are specifically designed to fit over the cornea without extending beyond it.
The cornea is the outermost layer of the eye, and it is highly sensitive to any foreign objects. If a contact lens were to go behind the cornea, it would not only be uncomfortable but also potentially harmful. The conjunctiva, the thin, transparent membrane that covers the front of the eye and lines the inside of the eyelids, would be at risk of being damaged. Furthermore, the lens could interfere with the natural tear film that protects the eye, leading to irritation and other complications.
So, how does a contact lens stay in place? The tear film, which is constantly produced by the lacrimal glands, helps to keep the contact lens in place. The tears adhere to the surface of the lens, creating a seal that prevents it from moving around too much. Additionally, the eyelids help to keep the lens in place by constantly blinking, which distributes the tears evenly across the lens and eye surface.
In summary, a contact lens cannot go behind your eyeball. It is designed to sit on the cornea, and any attempt to place it behind the cornea would be both uncomfortable and potentially harmful. As long as you follow proper contact lens care and handling practices, you can enjoy clear vision without worrying about your contact lens going behind your eye.
