Enlarged (Dilated) Pupils And Floating Spots Or Strings In Vision

Reviewed on 12/21/2022

Floating spots or the acts of strings in the visual field are often a sign of benign eye floaters. Enlargement of the pupils occurs naturally in dark environments and can occur as a reaction to drug or overdose. Certain brain injuries and strokes can also cause dilated pupils. Seek immediate medical care if suspect drug overdose or brain injury. Always describe troublesome symptoms to your doctor.

While the list below can be considered as a guide to educate yourself about these conditions, this is not a substitute for a diagnosis from a health care provider. There are many other medical conditions that also can be associated with your symptoms and signs. Here are a number of those from MedicineNet:

At MedicineNet, we believe it is important to take charge of your health through measures such as a living healthy lifestyle, practicing preventative medicine, following a nutrition plan, and getting regular exercise. Understanding your symptoms and signs and educating yourself about health conditions are also a part of living your healthiest life. The links above will provide you with more detailed information on these medical conditions to help you inform yourself about the causes and available treatments for these conditions.

Symptoms & Signs A-Z List