The most accepted modality of treatment of 2D myopia in a 13-year-old girl is –
**Core Concept**
The treatment of myopia in children focuses on slowing or halting its progression, and the most accepted modality of treatment for 2D myopia is a specific type of orthokeratology (OK) or a pharmaceutical agent that targets the underlying pathological mechanisms of myopia development. This approach aims to reduce the risk of high myopia and its associated complications.
**Why the Correct Answer is Right**
The most accepted treatment for 2D myopia in children is atropine eye drops, which have been shown to effectively slow the progression of myopia in several clinical trials. Atropine works by dilating the pupil, which reduces the amount of near work that the eye needs to perform and subsequently reduces the amount of axial elongation that occurs. This is thought to be mediated through the inhibition of the parasympathetic nervous system, which decreases the release of neurotransmitters that contribute to the growth of the eye.
**Why Each Wrong Option is Incorrect**
**Option A:** Orthokeratology (OK) is a type of vision therapy that uses a specialized contact lens to reshape the cornea while the child sleeps. While OK can be effective in treating myopia, it is not the most accepted treatment for 2D myopia in children.
**Option B:** Topical cycloplegics, such as cyclopentolate, can be used to treat myopia but are not the preferred treatment for 2D myopia in children due to potential side effects and the fact that they do not slow the progression of myopia.
**Option C:** Refractive surgery, such as LASIK, is not recommended for children due to the risk of complications and the fact that the child's vision may continue to change.
**Clinical Pearl / High-Yield Fact**
Atropine eye drops are the most accepted treatment for 2D myopia in children, and they have been shown to effectively slow the progression of myopia in several clinical trials. This is an important clinical pearl to remember when treating myopic children.
**Correct Answer: D. Atropine eye drops.**