the Causes of Hazy Vision: Is It Cataracts or Something Else? - Ophthalmology

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Seeing things with a white haze?


Hello, doctor.
A few days ago, I noticed a white haze when looking at things, which is particularly noticeable in bright areas.
The colors also seem a bit faded, but my vision doesn't feel worse, and it's not blurry or completely obscured.
Could you please explain what might be causing this? Is it an issue with the macula, or could it be related to floaters or cataracts? Thank you.

230, 20~29 year old female. Ask Date: 2018/12/06

Dr. Cai Wenyuan reply Ophthalmology


Hello: You can visit the hospital or clinic for an examination.
Wishing you safety and health.
Sincerely, Dr.
Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2018/12/06

More Info


Hazy vision can be a concerning symptom, and it is important to understand the potential causes and implications. Based on your description of seeing a white mist, particularly in bright light, and noticing a change in color perception while your overall vision remains intact, there are several possible explanations for your symptoms.

One of the most common causes of hazy vision, especially in older adults, is cataracts. Cataracts occur when the lens of the eye becomes cloudy, which can lead to blurred or hazy vision. This clouding can cause light to scatter as it enters the eye, resulting in a white or foggy appearance, particularly in bright light conditions. People with cataracts often report difficulties with glare and may notice that colors appear less vibrant. While cataracts typically develop slowly, they can significantly impact vision over time.

Another possibility is that your symptoms could be related to changes in the retina, such as those associated with macular degeneration. The macula is the central part of the retina responsible for sharp, detailed vision. If there are issues with the macula, such as swelling or degeneration, it can lead to distortions in vision and changes in color perception. However, macular degeneration usually presents with more pronounced symptoms, such as difficulty reading or recognizing faces, rather than just hazy vision.

Floaters, or "flying flies," are another condition that can affect vision. They are caused by changes in the vitreous gel that fills the eye, leading to small clumps of gel that cast shadows on the retina. While floaters themselves do not typically cause hazy vision, they can accompany other conditions that might.

Given your symptoms, it is essential to consider other factors as well. For instance, dry eyes can lead to temporary visual disturbances, including haziness. Environmental factors, such as exposure to screens for extended periods, can also contribute to visual fatigue and discomfort, which may manifest as hazy vision.

To determine the exact cause of your hazy vision, a comprehensive eye examination is crucial. An eye care professional will likely perform a series of tests, including visual acuity tests, a dilated eye exam, and possibly imaging studies to assess the health of your lens and retina. If cataracts are diagnosed, treatment options typically involve surgical intervention to replace the cloudy lens with an artificial one, which can significantly improve vision.

In summary, while cataracts are a common cause of hazy vision, other conditions such as macular degeneration, floaters, or even dry eyes could also be contributing to your symptoms. It is essential to consult with an eye care professional to receive an accurate diagnosis and appropriate treatment. Regular eye examinations are vital for maintaining eye health, especially as we age or if we experience any changes in vision.

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