a flowering plant whose stem above ground does not become woody. 2. such a plant when valued for its medicinal properties, flavor, scent, or the like. 3. Often, the herb. Slang. marijuana.
Retinal detachment is a disorder of the eye in which the retina peels away from its underlying layer of support tissue.Initial detachment may be localized or broad, but without rapid treatment the entire retina may detach, leading to vision loss and blindness. It is almost always classified as a medical emergency.Permanent damage may occur if the detachment is not repaired within 24â72 hours.nitial detachment may be localized or broad, but without rapid treatment the entire retina may detach, leading to vision loss and blindness. It is almost always classified as a medical emergency. Permanent damage may occur if the detachment is not repaired within 24â72 hours.
Any action or event that can disturb the delicate connections of the retina to the layers behind it can cause a retinal detachment. People Who Have Developed Retinal Tearing â A retinal tear is what happens when the retina has a hole in it, due to parts of it being pulled away from the outer layer, or if the retina is twisted in one way or the other. A retinal detachment can start if the vitreous, the gel-like part of the eye, oozes in between the outer layer and the retinal layer, causing them to detach from one another. What Are The Symptoms Of A Detached Retina? Thankfully, detached retinas do have many symptoms.