Aqueous flow is increased by ?
**Core Concept**
Aqueous flow refers to the production and drainage of the aqueous humor, a clear fluid produced by the ciliary body in the eye. The aqueous humor plays a crucial role in maintaining the eye's pressure, providing nutrients to the cornea and lens, and removing waste products.
**Why the Correct Answer is Right**
The correct answer is related to the regulation of aqueous humor production. The enzyme carbonic anhydrase is involved in the production of bicarbonate ions, which in turn stimulates the production of aqueous humor. An increase in carbonic anhydrase activity leads to an increase in bicarbonate ions, resulting in an increase in aqueous humor production and, consequently, aqueous flow. This is a key mechanism in the regulation of intraocular pressure.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect as it does not directly relate to the regulation of aqueous humor production.
* **Option B:** This option is incorrect as it is related to the regulation of aqueous humor outflow, not production.
* **Option D:** This option is incorrect as it refers to a condition that can lead to a decrease in aqueous flow, not an increase.
**Clinical Pearl / High-Yield Fact**
Remember that carbonic anhydrase inhibitors are used in the treatment of glaucoma to decrease intraocular pressure by reducing aqueous humor production. This is a key concept in ophthalmology and is often tested in exams.
**Correct Answer:** C. Carbonic anhydrase