Glaucoma is due to

Options

A. Increase in intraatrial pressure
B. Increase in intraocular pressure
C. Increase in intravesical pressure
D. Increase in intraventricular pressure

Answer

**Step-by-Step Solution:**

1. **Understanding Glaucoma**: Glaucoma is a group of eye conditions that primarily damage the optic nerve, which is crucial for vision. This damage is often associated with increased pressure in the eye.

2. **Causes of Glaucoma**: The primary cause of glaucoma is the failure of the eye to maintain an appropriate balance of intraocular fluid. This fluid is produced and drained within the eye.

3. **Intraocular Fluid Dynamics**: The eye produces a certain amount of intraocular fluid (aqueous humor) that helps maintain intraocular pressure. This fluid must be drained away at a rate that matches its production.

4. **Imbalance Leading to Increased Pressure**: When there is an imbalance between the production and drainage of this fluid, it leads to an increase in intraocular pressure. This increased pressure can damage the optic nerve, resulting in glaucoma.

5. **Conclusion**: Therefore, glaucoma is primarily due to an increase in intraocular pressure caused by the failure of the eye to maintain a proper balance of fluid production and drainage.

**Final Answer**: Glaucoma is due to an increase in intraocular pressure.

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