Blurred vision refers to a lack of sharpness of vision resulting in the inability to see fine detail. People can experience blurred vision in one eye or in both eyes and there are a number of different reasons why this can occur. It may result from abnormalities such as nearsightedness, farsightedness, presbyopia, or astigmatism that can be improved with corrective lenses (eyeglasses) or it may signal the presence of eye/physical disease.
Also blurred vision can have causes that aren’t due to underlying disease. such as include eye rubbing, dry eyes, crying, aging, prolonged screen use,or bad eyeglass prescription.
This article describes the 5 leading causes of blurred vision.
Computer Vision Syndrome/Digital eye strain
Many individuals experience eye discomfort and vision problems when viewing digital screens for extended periods.
Blue light, also referred to as high-energy visible (HEV) light, is cause of computer eye strain. It is emitted by digital devices and increases eye strain more so than other colors that have a longer wavelength. It may also contribute to vision problems such as cataracts and age-related macular degeneration.
- Red, dry or irritated eyes
- Blurred vision
- Eye fatigue
- Back, neck and shoulder pain
- Wear Blue light glasses
- Reduce glare.
- Adjust your computer display settings.
- Take a 20-20-20 break. Every 20 minutes, take a 20-second break and look at something 20 feet away. Even short breaks make a huge difference.
Nearsightedness (myopia) is a common vision condition in which you can see objects near to you clearly, but objects farther away are blurry.
Nearsightedness may develop gradually or rapidly, often worsening during childhood and adolescence. Nearsightedness tends to run in families.
There is some evidence that suggests that intense close-up activities, such as reading for prolonged periods of time at close range or playing video games for many hours, in early adulthood can induce nearsightedness. Although doctors often see this in clinical practice, research is still split on this as a cause of nearsightedness.
- Blurry vision when looking at distant objects
- The need to squint or partially close the eyelids to see clearly
- Headaches caused by eyestrain
- Difficulty seeing while driving a vehicle, especially at night (night myopia)
A basic eye exam can confirm nearsightedness.
You can compensate for the blur with eyeglasses, contact lenses or refractive surgery.
A flat cornea is one cause of farsightedness. You can also be farsighted if your eyeball is shorter than normal. This causes light to focus beyond your retina instead of on it.
Hyperopia often runs in families. But lots of children who get it from their parents outgrow it.
- Nearby objects may appear blurry
- You need to squint to see clearly
- You have eyestrain, including burning eyes, and aching in or around the eyes
- You experience general eye discomfort or a headache after a prolonged interval of conducting close tasks, such as reading, writing, computer work or drawing
Eyeglasses, contact lenses, and surgery
Presbyopia is the gradual loss of your eyes’ ability to focus on nearby objects. It’s a natural, often annoying part of aging.
Farsightedness usually becomes noticeable in the early to mid-40s and worsens until around age 65.
- You need to hold reading material at arm’s length to make letters clearer, blurred vision at normal reading distance, and eyestrain after reading. In rare cases, it may cause headaches.
Eyeglasses,bifocal lenses glasses,Reading glasses,
If you are beginning to notice signs and symptoms of presbyopia, see an eye doctor near you for an eye exam and consultation regarding the best presbyopia treatment options for you.
One of the symptoms of diabetes is blurred vision
- Increased thirst
- Frequent urination
- Extreme hunger
- Unexplained weight loss
- Blurred vision
- Slow-healing sores
- Frequent infections, such as gums or skin infections and vaginal infections