Today’s topic – What is Eye Glaucoma? Glaucoma refers to a group of eye diseases where the optic nerve gets progressively destroyed often due to an increase in the fluid pressure within the eye, resulting in gradual vision loss and eventually blindness.
The fluid is called the aqueous hum our and the pressure is termed intraocular pressure (IOP).
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Mechanism of the Disease:
The nourishment of the eye occurs slightly differently from the other organs of the body. Instead of blood, a special filtrate from the blood is secreted within the eyes, which then transverse through the parts of the optical apparatus.
This fluid is called the aqueous hum our, constantly produced and circulated, and eventually excreted through the drainage channels called the ANGLE of the anterior chamber.
Increased production or more commonly, impediments in the flow of aqueous hum our results in a buildup pressure within the eye which then damage the optic nerve.
The optic nerve is built up of past one million nerve cells. When the pressure in the eye builds up, the nerve cells become compressed, causing them to become damaged and to eventually die, which results in permanent vision loss.
Once a significant number of cells are destroyed, defective vision usually develops. Characteristic glaucoma is that it affects the peripheral field of vision first.
The peripheral field of vision is essential for various purposes; especially navigation. In a later stage, the central vision also gets affected, causing blindness. It is at this stage that a person realizes his disability.
This factor emphasizes the need for a routine comprehensive eye examination, which will help detect the disease at an early stage.
Once the vision loss occurs, it is irreversible because once the nerve cells die, they can never be restored.
After the age of 40, a routine examination of the eye for presbyopia spectacles alone is insufficient. The eye pressure should also be recorded along with it.
The goal of treatment is to preserve the existing vision of the person and prevent further loss. Taking medications regularly, as prescribed is crucial to prevent vision-threatening damage.
Glaucoma can be treated with:
- Combinations of the above method
Today’s topic – What is Eye Glaucoma? Is now ended. If you have any question, please comment the below and if you like this blog, you can share with your social media follower and friends. Thank You All!