Eye Allergies and Vision Issues: Your Questions Answered - Ophthalmology

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Eye problem consultation?


Hello, Doctor! I would like to ask two questions:
1.
Due to the cold weather, I have developed allergic conjunctivitis in my right eye, and the upper eyelid on that side is slightly drooping.
Is this a phenomenon of eyelid entropion? Will this symptom cause blurred vision and photophobia, and could it also lead to sensations similar to floaters? To elaborate, sometimes after looking at the computer for a long time, I notice a small black dot appearing for about 1-2 seconds when I blink, occurring roughly every 15-30 minutes.
The frequency increases when my eyes feel fatigued, similar to temporary shadows appearing when looking at bright light, but the area is quite small.
I am concerned that this might be a symptom of macular degeneration.
I performed a simple Amsler grid test myself and found no abnormalities.
I would like to know if managing the allergy can improve this phenomenon.
2.
Recently, when I visited the dentist, I noticed that after lying back in the treatment chair and then getting up to put on my glasses, I temporarily had difficulty focusing on objects (like business cards).
What could be the reason for this? Is this normal? Thank you, Doctor! (Feel free to explain in detail; I am very interested in health education.) Thank you!

Zi You Ren, 30~39 year old female. Ask Date: 2013/12/27

Dr. Gao Pilin reply Ophthalmology


Hello,
1.
The slight drooping of your upper eyelid is a phenomenon known as ptosis.
There are many causes of ptosis, including neurological and muscular issues; however, in your case, it is likely due to eyelid inflammation causing swelling, which results in a mechanical droop.
Once the swelling subsides, the condition should improve.
2.
The appearance of black spots you described is likely a symptom of floaters.
If you are concerned about any underlying pathology, it would be advisable to undergo a dilated eye examination.
This is not typically related to allergies.
3.
After your consultation, if you lie down and then get up to put on your glasses, you may temporarily have difficulty focusing on objects (like business cards).
This is due to an issue with accommodation, which may be exacerbated by tension and sympathetic nervous system activation, leading to pupil dilation and ciliary muscle dysfunction.
Once you relax, the situation should improve, and there is no cause for concern.
Thank you for your message.
Puzih Hospital Ophthalmology Department: Monday to Friday from 8:00 AM to 12:00 PM and Wednesday from 1:00 PM to 4:30 PM.
We hope to have the opportunity to serve you.

Gao Pilin

Reply Date: 2013/12/27

More Info


Dear Patient,
Thank you for your questions regarding your eye health. Let's address each of your concerns in detail.


1. Allergic Conjunctivitis and Associated Symptoms
You mentioned experiencing allergic conjunctivitis in your right eye, which has led to some eyelid drooping. This drooping may not necessarily indicate entropion (inward turning of the eyelid), but rather could be a result of swelling or inflammation associated with the allergic reaction. Allergic conjunctivitis can cause various symptoms, including redness, itching, tearing, and swelling of the eyelids. The drooping of the eyelid may also contribute to a sensation of heaviness or discomfort.

Regarding your concerns about blurred vision and photophobia (light sensitivity), these can indeed be associated with allergic conjunctivitis. The inflammation can cause the eye to become more sensitive to light, and the excess tearing or discharge can temporarily blur your vision. The appearance of small black dots when you blink, especially after prolonged screen time, could be related to visual fatigue or even a phenomenon known as "floaters." Floaters are tiny specks or strands that drift through your field of vision and are often more noticeable when looking at a bright background. They can be exacerbated by eye strain, which is common when using digital devices for extended periods.

Your self-administered Amsler grid test showing no abnormalities is reassuring, as it suggests that there are no significant issues with your macula, which is crucial for central vision. However, if your symptoms persist or worsen, it would be wise to consult an eye care professional for a thorough examination.

Controlling your allergic symptoms through appropriate antihistamines or anti-inflammatory eye drops can help alleviate these visual disturbances. Keeping your environment free from allergens, using air purifiers, and practicing good eye hygiene can also be beneficial.


2. Temporary Blurred Vision After Lying Down
The experience of temporary blurred vision upon standing after lying down in the dental chair is not uncommon. This phenomenon can occur due to several reasons:
- Postural Changes: When you change positions quickly, such as from lying down to standing, your body may need a moment to adjust. This adjustment includes the eyes, which may take a brief period to refocus, leading to temporary blurriness.

- Visual Fatigue: If you have been focusing on something close (like a dental procedure) and then suddenly look at something further away (like a business card), your eyes may need time to accommodate. This is particularly true if you have been experiencing eye strain or fatigue.

- Blood Pressure Changes: Rapid changes in position can also affect blood flow and pressure, which might momentarily impact your vision. If you stand up too quickly, you might experience a brief drop in blood pressure, leading to dizziness or blurred vision.

If this blurriness occurs frequently or is accompanied by other symptoms such as dizziness, headaches, or persistent visual changes, it would be prudent to discuss this with your healthcare provider. They may recommend further evaluation to rule out any underlying conditions.


Conclusion
In summary, managing your allergic conjunctivitis effectively should help improve your visual symptoms. Additionally, the temporary blurred vision upon standing is likely a benign issue related to postural changes or visual fatigue. However, if you have ongoing concerns, please do not hesitate to seek professional advice. Regular eye examinations are essential for maintaining eye health, especially if you notice any changes in your vision.

Thank you for your interest in eye health education, and I hope this information has been helpful. Please feel free to reach out with any further questions or concerns.

Best regards.

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