Eye Symptoms: When to Seek Medical Attention for Vision Issues - Ophthalmology

Share to:

Flashes? Floaters? Eye fatigue?


Hello, doctor.
Thank you for your previous response.
A few days ago, I noticed a white light spot in the corner of my left eye while sleeping (it resembles the white halo seen when something presses against the eye, but I am certain I did not press on my eye).
Later, on October 4th, I returned for a follow-up appointment where the doctor performed a dilated fundus examination, which showed no issues.
However, the doctor seemed somewhat unhappy, possibly because I rushed in for an examination at the slightest change in my eyes over the past month, regardless of the previous dilated results being normal.
So, what level of symptoms should warrant an examination?
Additionally, I would like to ask about some recent experiences:
1.
Sometimes I see moving light spots that disappear quickly.
Is this just a normal occurrence of floaters?
2.
Occasionally, while indoors, I feel a brief flash (similar to a flickering light).
Is this simply due to eye fatigue, or could it be retinal discharge?
3.
Upon waking while lying down, I see white flashes of light that disappear after I get up.
I’ve noticed that elevating my head while sleeping reduces these flashes.
Should I change my sleeping position to minimize the pulling between the vitreous and the retina?
4.
Following up on the previous question, the flashes I see upon waking have recently appeared more black than white.
Is this normal?
Lastly, after a normal fundus examination, how many months can I feel reassured? Is it possible to have a retinal tear or detachment shortly after a check-up? My sleep quality has been affected, and I am even considering seeing a mental health specialist.

Shāowéi shuì dé hǎo yīdiǎn de rén, 30~39 year old female. Ask Date: 2021/10/05

Dr. Gao Pilin reply Ophthalmology


Hello, for those who sleep a bit better: If the examination results are normal, please follow the physician's recommended schedule for check-ups without the need for constant monitoring.
1.
It could be 2.
It may be related to electrical discharges 3.
The position during sleep should not significantly affect the traction on the retina; you should sleep in the most comfortable position.
4.
It may be similar.
If the examination shows no issues, you can wait until you experience very frequent flashes before returning for a follow-up.
If the flashes persist, it could indicate a tear or detachment, as flashes will continue to occur in such cases.
If sleep quality is consistently affected, considering a consultation with a mental health specialist would be a reasonable choice.

Reply Date: 2021/10/05

More Info


When it comes to understanding eye symptoms and determining when to seek medical attention for vision issues, it is essential to recognize the signs that may indicate a more serious underlying condition. Your recent experiences, including the appearance of white light spots in your vision and the sensation of flashes or moving light, can be concerning, especially given your history of eye issues.

Firstly, the appearance of white spots or flashes of light in your vision can often be attributed to a phenomenon known as "floaters" or "photopsia." Floaters are tiny specks or strands that drift through your field of vision, often more noticeable against a bright background. They are typically harmless and result from changes in the vitreous gel that fills the eye. However, if these floaters are accompanied by flashes of light or a sudden increase in their number, it could indicate a more serious condition, such as retinal detachment, which requires immediate medical attention.

Regarding your specific questions:
1. Seeing Moving Light Spots: This could indeed be related to floaters, but if they are new or have increased in frequency, it is advisable to consult an eye care professional. Persistent or sudden changes in your vision should always be evaluated.

2. Flashes of Light: Experiencing flashes of light, especially if they resemble electrical discharges, can be a sign of retinal irritation or traction. This can occur when the vitreous gel pulls on the retina. If these flashes are frequent or accompanied by other symptoms, such as a curtain-like shadow over your vision, you should seek immediate medical evaluation.

3. Seeing Flashes Upon Waking: The phenomenon of seeing flashes or "lightning" when waking up can be related to changes in the vitreous gel or pressure on the retina. Adjusting your sleeping position to reduce pressure on the eyes may help alleviate these symptoms. However, if this persists, it is essential to discuss it with your eye doctor.

4. Color of Flashes: The color of the flashes you are seeing—whether white or black—can vary based on the nature of the retinal stimulation. While white flashes are more common, black flashes can also occur and may indicate different underlying issues. It is crucial to monitor these changes and report them to your healthcare provider.

As for the frequency of eye examinations, if your eye doctor has performed a thorough examination and found no issues, it is generally safe to wait several months before your next check-up. However, if you experience any new symptoms or changes in your vision, you should not hesitate to seek further evaluation. Regular eye exams are essential, especially if you have a history of eye problems or if you notice any significant changes in your vision.

In conclusion, while many symptoms may be benign, it is crucial to remain vigilant and proactive about your eye health. If you ever feel uncertain about your symptoms or if they worsen, it is always better to err on the side of caution and seek medical advice. Your mental well-being is also important; if your anxiety about your vision is affecting your quality of life, consider discussing this with a healthcare professional who can provide support and guidance.

Similar Q&A

Understanding Common Eye Issues: When to Seek Medical Attention

Hello, Doctor. I am highly myopic and would like to ask a few questions. 1. A few days ago, my vision became blurry, and when I closed my left eye, I found that my right eye was completely blurry as well. It returned to normal after several seconds. Should I seek medical attent...


Dr. Gao Pilin reply Ophthalmology
Hello, 20-year-old student: 1. A few days ago, I experienced blurred vision, and when I closed my left eye, I found that my right eye was completely blurry. It recovered after several seconds. Should I seek medical attention? It could be caused by fatigue leading to slower eye a...

[Read More] Understanding Common Eye Issues: When to Seek Medical Attention


Understanding Eye Discomfort: When to Seek Medical Attention

I am experiencing some discomfort in my eyes. When I look at things, I feel a bit disoriented and have difficulty focusing, which requires a lot of concentration. Sometimes, when I look at bright objects, I suddenly see shadows. Occasionally, I feel like there is something floati...


Dr. Cai Wenyuan reply Ophthalmology
Hello, if you are experiencing discomfort with your eyes, it is important to seek medical attention for an examination. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of Ophthalmology, Taoyuan Hospital, Ministry of Health and Welfare.

[Read More] Understanding Eye Discomfort: When to Seek Medical Attention


Understanding Occasional Visual Disturbances: When to Seek Medical Help

Hello Dr. Lin, recently I've been experiencing a sensation in my left eye near the outer corner that feels like seeing stars (this seems to occur more often when sitting, standing up, or sitting cross-legged). It happens intermittently, sometimes several times a day, and oth...


Dr. Lin Zhebin reply Family Medicine
Hello: The discomfort in your left eye may require consideration of a retinal issue. However, since you have already consulted an ophthalmologist without any specific findings, the next step would be to consider a possible neurological problem. You have also seen a neurologist, a...

[Read More] Understanding Occasional Visual Disturbances: When to Seek Medical Help


Understanding Eye Pain: Causes and When to Seek Medical Attention

Hello, doctor. I usually spend a lot of time on my phone and computer. Since last year, whenever I'm outdoors in bright sunlight, my eyes start to hurt. I also experience discomfort from the brightness when watching TV, using my computer, or looking at my phone, and I have p...


Dr. Cai Wenyuan reply Ophthalmology
Observe the symptoms, and if they persist, seek medical evaluation.

[Read More] Understanding Eye Pain: Causes and When to Seek Medical Attention


Related FAQ

Visual Disturbance

(Ophthalmology)

Eye Pain

(Ophthalmology)

Floaters And Related Issues

(Ophthalmology)

Eye Focusing

(Ophthalmology)

Vision Care

(Ophthalmology)

Foreign Body Sensation In The Eye

(Ophthalmology)

Nearsightedness

(Ophthalmology)

Eyelid Disease

(Ophthalmology)

Trichiasis

(Ophthalmology)

Nystagmus

(Ophthalmology)