Blocked tear ducts are sometimes cleared using a procedure called intubation. During intubation, two small wire probes attached to silicone tubes are passed into the upper and lower tear duct openings (puncta) and down the tear duct drainage system into the nasal cavity. The wires are removed and the tubes are tied or sewn in place to keep the tear ducts open. Intubation is usually done as part of a probing procedure in the hospital using general anesthesia. Most people go home the same day.
From 3 to 16 weeks after surgery, the person returns to the doctor's office, and the tubes are removed. Anesthesia is usually not needed when the tubes are taken out.
Light is crucial for our vision. We see objects around us when light bounces off them and enters our eyes. But sometimes, light can be the cause of vision problems when it causes halos or glare.
Halos are bright circles that appear to surround a source of light, such as oncoming car headlights. Glare is light that enters your eye but doesn't help you see better. Rather, it interferes with your vision.
Glare can be:
Uncomfortable. When you're trying to see in the presence of a too-bright...