In Cataract, spectacles are advised for following number of weeks after operation:
**Core Concept**
Cataract surgery involves the removal of the cloudy lens in the eye, and post-operative care is crucial for optimal recovery. The use of spectacles after cataract surgery is a common practice to correct refractive errors and allow the eye to heal.
**Why the Correct Answer is Right**
Spectacles are typically advised for 4-6 weeks after cataract surgery to allow the eye to heal and for the intraocular lens (IOL) to settle into its correct position. During this period, the eye is sensitive, and any sudden changes in vision can cause discomfort. Spectacles help to reduce the risk of complications, such as cystoid macular edema, and allow the eye to adapt to the new IOL. The correct answer is 6 weeks, as this allows sufficient time for the eye to heal and for the IOL to be fully incorporated.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because spectacles are not typically advised immediately after cataract surgery. The eye is still sensitive, and any sudden changes in vision can cause discomfort.
**Option B:** This option is incorrect because the eye needs more time to heal and adapt to the new IOL. Spectacles are not typically advised for this duration after cataract surgery.
**Option C:** This option is incorrect because the eye needs sufficient time to heal and adapt to the new IOL. Spectacles are not typically advised for this duration after cataract surgery.
**Clinical Pearl / High-Yield Fact**
It's essential to note that the timing of spectacles after cataract surgery may vary depending on individual factors, such as the type of IOL used and the presence of any complications. However, in general, spectacles are advised for 4-6 weeks to allow the eye to heal and adapt to the new IOL.
**Correct Answer:** C. 6 weeks.