Floaters can be seen in following except
**Core Concept**
Floaters are small, dark spots that appear to float in the visual field due to the presence of vitreous debris or hemorrhage. They are often associated with conditions affecting the vitreous humor, retina, or uvea. In ophthalmology, the presence and characteristics of floaters can be a crucial diagnostic clue.
**Why the Correct Answer is Right**
Acute congestive glaucoma, also known as acute angle-closure glaucoma, is characterized by a sudden increase in intraocular pressure (IOP) due to the blockage of the trabecular meshwork. This condition typically presents with severe eye pain, headache, nausea, vomiting, and visual disturbances such as blurred vision or halos around lights. However, floaters are not a characteristic symptom of acute congestive glaucoma. In fact, the sudden increase in IOP can cause the vitreous humor to become more fluid, potentially leading to the disappearance of pre-existing floaters.
**Why Each Wrong Option is Incorrect**
**Option A:** Vitreous hemorrhage is a condition where blood leaks into the vitreous humor, causing floaters to appear. The blood can come from various sources, including retinal tears or diabetic retinopathy.
**Option B:** Retinal detachment is a condition where the retina separates from the underlying retinal pigment epithelium. This can cause floaters to appear due to the presence of vitreous debris or blood in the subretinal space.
**Option C:** Uveitis is a condition characterized by inflammation of the uvea, which includes the iris, ciliary body, and choroid. Uveitis can cause floaters to appear due to the presence of inflammatory cells or debris in the vitreous humor.
**Clinical Pearl / High-Yield Fact**
It's essential to remember that the presence and characteristics of floaters can provide valuable diagnostic clues in ophthalmology. For example, a sudden onset of floaters may indicate a vitreous hemorrhage or retinal detachment, while a gradual onset may suggest uveitis or other conditions.
**Correct Answer Line**
✓ Correct Answer: D. Acute congestive Glaucoma