Eye floaters are specks in a person’s vision. They are normal and not necessarily harmful. It is not always possible to prevent them, and they may not require treatment. Learn more about eye floaters here.
Eye Health / Blindness
What causes pupils of different sizes?
Pupils, or the black parts at the center of the eyes, change size to regulate the amount of light entering the eye. Pupils are large in the dark to let more light in and small in bright light. Usually, the pupils in each eye dilate or constrict at the same time. When they do not, […]
What can cause a sore eyelid?
There are many possible causes of sore eyelids, including infections, injuries, and problems with contact lenses. Most issues will subside on their own, but some may require eye drops or another form of treatment. The eye is a delicate area, so it is important to monitor symptoms closely. If eye symptoms worsen or do not […]
How the brain adapts to hear better after vision loss
Both scientific studies and anecdotal evidence have suggested that people who experience vision loss often develop a more enhanced sense of hearing. So what happens inside the brain? New research investigates. What happens in the auditory cortex of a person with early vision loss? According to the World Health Organization (WHO), around 1.3 billion people […]
What causes a red spot on the eye?
A red spot on the eye is usually a subconjunctival hemorrhage that will heal over time without treatment. It can also be due to diabetes complications. Learn more about the causes and treatments here.
What causes blurred vision and a headache?
Almost everyone has experienced a headache, which is pain in part or all of the head. If a headache occurs with or causes blurred vision, it may be due to an underlying condition or medical emergency. Causes of a headache and blurred vision will usually have additional symptoms. Some of these conditions can have serious […]
How to improve and protect eyesight without glasses
Eyesight can deteriorate as people get older or due to certain health conditions. However, there are a number of natural ways a person can protect and improve their vision without the need for corrective glasses. The Centers for Disease Control and Prevention (CDC) estimate that in the United States around 12 million people of 40 […]
Single injection gives mammals night vision
Scientists at the cutting edge of nanotechnology are on the path to the seemingly impossible: creating an injection that allows us to see in the dark. This research opens the door to brand new therapeutic interventions. Nanotechnology and vision science may have a bright future. The mammalian eye can only respond to a small band […]
How to treat eye discharge in newborns
Eye discharge is common in newborns and is commonly due to a blocked tear duct. A person can often treat an infant with a blocked tear duct at home. However, discharge that occurs alongside other symptoms in the eye area, such as redness, swelling, or tenderness, may be a sign of an infection or another […]
How to treat pinkeye at home
Pinkeye is an eye condition that is usually temporary and the result of a bacterial infection, viral infection, or allergic reaction. People can help relieve the symptoms of each type with home remedies. Pinkeye, which doctors call conjunctivitis, usually resolves within 2 weeks without treatment. In the meantime, home remedies may relieve the itchiness, discomfort, […]