Visual Disturbances: Eye Symptoms After Anxiety and High Blood Pressure - Ophthalmology

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Experiencing discomfort in the eyes while looking at a screen?


About two months ago, I experienced a panic attack that caused my blood pressure to spike rapidly (185/105~115).
During that episode, I noticed a thin black line in my vision that pulsed with my heartbeat; I could see the line during heart contractions, but it disappeared during diastole.
After about two weeks, this black line transformed into distinct areas, gradually fading from black to transparent, and the areas have shrunk from initially larger sizes to smaller ones.
I can only see these phenomena when my blood pressure is elevated or my pulse is strong.

I visited a major hospital for an examination, and my visual field was normal, as well as the fundus examination of the retina and optic nerve.
An ultrasound showed some abnormalities in the blood flow velocity of several eye arteries, and I underwent fluorescein angiography two days ago, which yielded normal results.
During this period, I have been closely monitoring my eyes and have gradually noticed other issues that I would like to inquire about.

First, I have experienced a significant increase in floaters in both eyes over a short period, with large patches appearing, yet no issues were found during the fundus photography.
Second, when looking at screens, I perceive some areas of the image as being sunken while others appear raised, and the arrangement of text often seems irregular, with lines of text appearing crooked.
However, when I look at objects or straight lines, they seem normal.
I have also noticed a difference in size between what each eye sees, with varying heights and the same straight line appearing non-parallel between my two eyes.

Could this be related to strabismus?

PPMS, 20~29 year old female. Ask Date: 2008/04/02

Dr. Liu Jingxian reply Ophthalmology


Hello, sir: Based on your described symptoms, in addition to the presence of floaters, you also experience a difference in the perceived size of images between your two eyes.
In most patients, the occurrence of floaters is due to the degeneration of the vitreous body within the eye, where it changes from transparent to opaque, leading to the formation of debris.
Simple floaters, aside from the degeneration of the vitreous, do not necessarily indicate any pathological changes in other ocular tissues, so various examinations may appear normal.
As for the difference in perceived image size between your two eyes, it is likely due to a phenomenon known as "binocular disparity," as our brain adjusts the images we see.
Unless you specifically compare each eye individually, you may not notice the difference in image size.
Wishing you good health.
Taiwan e-Learning Academy - Ophthalmology, Taipei City Hospital Zhongxing Branch.

Reply Date: 2008/04/02

More Info


Your experience with visual disturbances following an anxiety attack and elevated blood pressure is understandably concerning. Let's break down your symptoms and explore the potential causes and implications.

Firstly, the phenomenon of seeing a "black line" that pulsates with your heartbeat could be related to several factors. When blood pressure spikes, it can lead to transient changes in the eye's blood flow and pressure, which might cause visual disturbances. The fact that this line has transformed from black to a more transparent appearance suggests that it may be related to changes in the vitreous humor, the gel-like substance in the eye. This could be indicative of a condition known as "floaters," which are common and often harmless, especially if they are not accompanied by other symptoms like flashes of light or significant vision loss.

The increase in floaters you mentioned is not uncommon, particularly in individuals with high myopia or those experiencing stress and anxiety. Stress can exacerbate existing eye conditions or make one more aware of them. It's also worth noting that the absence of findings in your eye exams, including normal visual fields and retinal examinations, is reassuring. However, the abnormal blood flow in some retinal vessels noted during ultrasound could warrant further monitoring.

Regarding the perception of distortion in your vision, such as letters appearing uneven or lines not aligning properly, this could be attributed to several factors. One possibility is that anxiety and stress can lead to visual perceptual distortions, where the brain struggles to process visual information accurately. This is sometimes referred to as "visual stress." Additionally, if you are experiencing any form of eye strain from prolonged screen time, this could contribute to visual discomfort and distortion.

The observation that your eyes appear to be of different sizes or that they do not align properly could suggest a condition known as "strabismus," or misalignment of the eyes. However, it is essential to differentiate between true strabismus and perceived misalignment due to visual distortion or anxiety. A comprehensive eye examination by an ophthalmologist, including tests for ocular motility and alignment, would be necessary to determine if strabismus is present.

In terms of managing your symptoms, it is crucial to address both the physical and psychological aspects. Here are some recommendations:
1. Regular Eye Exams: Continue with regular eye check-ups to monitor any changes in your vision or eye health. If you notice any new symptoms, report them to your eye care provider promptly.

2. Stress Management: Since anxiety seems to play a significant role in your symptoms, consider incorporating stress-reduction techniques into your routine. This could include mindfulness practices, meditation, or cognitive-behavioral therapy (CBT) to help manage anxiety.

3. Visual Hygiene: If you spend long hours in front of screens, ensure you take regular breaks using the 20-20-20 rule (every 20 minutes, look at something 20 feet away for 20 seconds). This can help reduce eye strain.

4. Hydration and Nutrition: Staying hydrated and maintaining a balanced diet rich in vitamins A, C, and E, as well as omega-3 fatty acids, can support overall eye health.

5. Follow-Up on Vascular Findings: Given the abnormal findings in your retinal blood flow, it may be beneficial to follow up with your healthcare provider to monitor these changes and discuss any potential implications.

In conclusion, while your symptoms are concerning, the absence of significant findings in your eye examinations is reassuring. However, it is essential to continue monitoring your symptoms and maintain open communication with your healthcare providers. If you experience any sudden changes in vision, such as flashes of light, significant floaters, or vision loss, seek immediate medical attention.

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