Visual Disturbances: What Are Those Floating Spots? - Ophthalmology

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Hello! Thank you for reaching out with your concerns about the visual disturbances you're experiencing. Based on your description, it sounds like you are encountering a combination of phenomena that are commonly associated with conditions like floaters and possibly visual fatigue.

Firstly, the "small light spots" you see, especially against bright backgrounds, are likely related to what is known as "floaters." Floaters are tiny clumps of gel or cells that form in the vitreous humor, the clear gel-like substance that fills the eye. As we age or due to certain conditions like high myopia (which you mentioned you have), the vitreous can become more liquid and may pull away from the retina, leading to these floaters. They can appear as small dots, lines, or cobweb-like structures that drift around in your field of vision. They are usually harmless, but if you notice a sudden increase in floaters or flashes of light, it’s important to consult an eye specialist, as these could be signs of retinal detachment.

The "ball-shaped black shadows" you mentioned could also be related to floaters or possibly shadows cast by the floaters themselves. When you move your eyes, these floaters can shift, creating the illusion of movement in your peripheral vision. This is particularly noticeable in bright light conditions, as the contrast makes them more apparent.

You also mentioned experiencing visual fatigue and redness in your eyes. This could be due to prolonged screen time, inadequate lighting, or not enough breaks during visual tasks. Eye strain can lead to symptoms such as redness, discomfort, and even temporary changes in vision. It’s essential to practice good eye hygiene, which includes taking regular breaks (the 20-20-20 rule is a good guideline: every 20 minutes, look at something 20 feet away for at least 20 seconds), ensuring proper lighting, and maintaining a comfortable distance from screens.

Regarding your visual acuity of 300 or less and astigmatism, these refractive errors can contribute to visual disturbances, especially if your prescription is not up to date. If your vision is not corrected adequately, it can lead to additional strain on your eyes, exacerbating the symptoms you are experiencing.

It’s reassuring that you have undergone thorough examinations, including OCT, visual field tests, and slit lamp examinations, and that no significant issues like glaucoma or cataracts were found. This suggests that your symptoms are likely related to the floaters and possibly visual fatigue rather than a more serious underlying condition.

In conclusion, while floaters and visual disturbances can be concerning, they are often benign, especially in the context of your recent eye examinations. However, if your symptoms persist or worsen, or if you experience any new symptoms such as flashes of light or a sudden increase in floaters, it is crucial to seek further evaluation from an eye care professional. Regular eye check-ups are essential, especially given your history of high myopia, to monitor any changes in your eye health. Remember to take care of your eyes by managing screen time, ensuring proper lighting, and getting adequate rest. If you have any further questions or concerns, don’t hesitate to reach out!