Black Spots on the Eye: Symptoms and Causes - Ophthalmology

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May I ask the doctor?


There are three small black spots on the white part of my eye, and sometimes it feels sore and painful when I blink.
I would like to know if this could be a sign of any symptoms.

Xiao Yu, 20~29 year old female. Ask Date: 2015/09/16

Dr. He Jianxian reply Ophthalmology


If you have concerns, it is advisable to visit an ophthalmologist directly, as this description does not provide enough information to understand your condition.

Reply Date: 2015/09/16

More Info


The presence of small black spots on the white part of your eye, particularly if they are accompanied by discomfort or a sensation of pain when blinking, can be concerning. These symptoms may indicate several potential issues, and it is essential to understand the possible causes and when to seek medical attention.

Firstly, the black spots you are observing could be related to a condition known as "pinguecula." A pinguecula is a yellowish, raised growth on the conjunctiva, the clear tissue covering the white part of the eye. While pingueculae are typically yellow, they can sometimes appear darker, especially if they are inflamed or if there is associated irritation. This condition is often caused by prolonged exposure to UV light, dust, or wind, and it is more common in individuals who spend a lot of time outdoors.

Another possibility is the presence of "floaters," which are tiny specks or clouds that drift through your field of vision. Floaters are usually harmless and are caused by changes in the vitreous gel inside the eye. However, if you notice a sudden increase in floaters, especially if accompanied by flashes of light or a shadow in your peripheral vision, it could indicate a more serious condition, such as a retinal tear or detachment, which requires immediate medical attention.

If the black spots are located on the eyelid or conjunctiva, they could also be seborrheic keratosis or other benign growths. These are generally harmless but can be bothersome or unsightly.

The sensation of pain or discomfort when blinking could be due to several factors. It might be related to dryness of the eyes, especially if you are in a dry environment or if you spend long hours staring at screens. Dry eyes can lead to irritation and discomfort, and using lubricating eye drops may help alleviate these symptoms. Alternatively, the discomfort could be due to inflammation or irritation of the conjunctiva, which could be caused by allergies, infections, or foreign bodies in the eye.

In summary, while the presence of small black spots on the eye can be benign, the accompanying symptoms of pain and discomfort warrant further investigation. It is advisable to consult an eye care professional for a comprehensive examination. They can assess the spots, evaluate your symptoms, and determine if any treatment is necessary. Early diagnosis and management are crucial, especially if there is a risk of more serious conditions affecting your vision. Regular eye check-ups are essential for maintaining eye health and addressing any concerns promptly.

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