A child finds difficulty to spell and read, otherwise his IQ is normal, interacts well with parents and friends. Vision is normal. Most probable diagnosis of the condition is:
**Core Concept**
The condition described involves a specific learning disability characterized by difficulties with reading and spelling, despite normal intelligence and vision. This suggests a disorder affecting **language processing** and **literacy skills**.
**Why the Correct Answer is Right**
Given the normal IQ, vision, and social interaction, the most likely diagnosis is a specific learning disability known as **dyslexia**. Dyslexia is a neurological disorder that affects an individual's ability to read and spell, which is not due to a lack of intelligence or poor teaching, but rather due to differences in how the brain processes language.
**Why Each Wrong Option is Incorrect**
**Option A:** Would be incorrect if it suggested a condition unrelated to learning disabilities or if it implied a broader cognitive impairment.
**Option B:** Might be incorrect if it pointed towards a condition affecting vision, which is stated to be normal.
**Option C:** Could be incorrect if it referred to a condition with a different set of symptoms or if it implied a lower IQ.
**Option D:** Would be incorrect if it suggested a condition not primarily associated with reading and spelling difficulties.
**Clinical Pearl / High-Yield Fact**
Dyslexia is a common condition that can significantly impact an individual's academic and professional life. Early identification and intervention can greatly improve outcomes, emphasizing the importance of recognizing the signs of dyslexia, such as difficulty with spelling, reading, and sometimes even speaking.
**Correct Answer:** D. Dyslexia.