**Core Concept:** Exotropia is a type of eye misalignment where the eyes deviate outward (horizontally). In emetropic individuals (with normal refractive error), exotropia typically indicates a neurological or skeletal issue. To achieve orthotropia (normal eye alignment), correcting the underlying cause is crucial.

**Why the Correct Answer is Right:**
Correcting the underlying cause is essential for achieving orthotropia in a 22-year-old emetropic male with exotropia in the right eye. In this case, addressing the neurological or skeletal issue causing the exotropia will restore the eyes to a normal alignment.

**Why Each Wrong Option is Incorrect:**
A. **Option A (Correcting refractive error):** Although emetropic individuals may have exotropia, correcting refractive error alone won't resolve the exotropia in this case, as the issue is likely neurological or skeletal.
B. **Option B (Paralyzing the extraocular muscles):** Paralyzing the extraocular muscles would not address the underlying cause of the exotropia and could potentially exacerbate the condition.
C. **Option C (Surgery):** Surgery might be a potential treatment option if the neurological or skeletal cause is evident, but it should be the last resort after addressing the underlying issue.
D. **Option D (Providing optical correction):** Providing optical correction may help with visual acuity but does not address the neurological or skeletal cause of the exotropia.

**Clinical Pearl:**
In cases of exotropia in emetropic individuals, it is essential to first identify and treat the underlying neurological or skeletal cause. Only after addressing this issue should optical correction, paralysis of extraocular muscles, or surgery be considered.

**Correct Answer:** C. Surgery

**Correct Answer Explanation:**
In cases like this, surgery may be considered as a potential treatment option after addressing the underlying cause. The surgery aims to correct the skeletal or neurological issue causing the exotropia, thereby restoring the eyes to an orthotropic alignment.