Retinal Thinning Due to Myopia: Risks and Exercise Guidelines

The retina thins due to myopia?

Hello, a few years ago I experienced retinal edema that caused me to lose vision in my left eye.
Fortunately, the swelling has since subsided.
Recently, I visited the hospital for a follow-up examination, and the retinal specialist informed me that the upper left corner of my retina is thinner, but did not mention the need for laser treatment.
They only advised that I should return if I experience symptoms of floaters.
At a second hospital, the doctor initially stated that my retina appeared normal, and after explaining the situation, concluded that the thinning was due to my myopia and that laser treatment was unnecessary.

I would like to ask Dr.
Wang if the pulling effect of myopia could potentially lead to retinal tears.
My current prescription is approximately -3.50 diopters in both eyes, which does not qualify as high myopia yet.
During the consultation, the doctor mentioned that I could engage in general exercise while avoiding head impacts.
Given that I regularly do sit-ups and participate in more intense TABATA workouts, should I consider reducing the intensity of these activities? Additionally, should I avoid lifting heavy objects? Furthermore, are movements such as bending over to tie my shoes something I should also avoid? I apologize for having so many questions, and I appreciate your assistance.

lian, 20~29 year old female. Ask Date: 2016/01/24

Dr. Wang Zhishun reply Ophthalmology

Hello, individuals with myopia are more prone to vitreous degeneration, which can lead to traction on the retina and potentially cause holes.
However, the probability is not very high, so there is no need for excessive concern.
Avoid rubbing your eyes, prevent any impact to the eyeball, and refrain from lifting heavy weights.
As for exercise, general TABATA workouts should be fine, just avoid heavy lifting.
Bending down to tie your shoelaces should not have any adverse effects.

Reply Date: 2016/01/24

More Info

Understanding retinal thinning due to myopia is crucial for managing your eye health and determining appropriate exercise guidelines. Myopia, or nearsightedness, can lead to various complications, including retinal thinning, which may increase the risk of retinal tears or detachments. Given your history of retinal edema and the current findings of retinal thinning, it is essential to approach exercise with caution.

Risks Associated with Retinal Thinning
1. Retinal Tears and Detachments: Retinal thinning can predispose individuals to tears or detachments, especially if there is significant myopic elongation of the eyeball. While your current refractive error of -3.50 diopters (350 degrees) is not classified as high myopia, it is still important to monitor any changes in your vision or symptoms such as flashes of light or an increase in floaters.

2. Impact of Exercise: Certain types of physical activity can increase intraocular pressure or involve rapid head movements, which may pose risks for individuals with retinal thinning. Activities that involve heavy lifting, high-impact sports, or any form of exercise that could lead to head trauma should be approached with caution.

Exercise Guidelines
1. General Exercise: Engaging in moderate, low-impact exercises such as walking, cycling, or swimming is generally safe and beneficial for overall health. These activities do not typically involve the risk of head trauma or excessive intraocular pressure.

2. Avoiding High-Risk Activities: It is advisable to avoid activities that could lead to sudden jolts or impacts to the head. This includes:
- High-Intensity Interval Training (HIIT): While exercises like TABATA can be beneficial for fitness, they often involve rapid movements and potential for falls or impacts. Consider modifying your routine to lower intensity or avoiding exercises that require abrupt changes in position.

- Weightlifting: If you engage in weightlifting, focus on lighter weights and avoid straining or holding your breath, which can increase intraocular pressure. Exercises that require bending or twisting the torso should also be approached with caution.

- Core Exercises: Activities like sit-ups or crunches may not pose a significant risk, but if you experience any discomfort or visual changes while doing them, it would be wise to reduce their intensity or frequency.

3. Bending and Lifting: Movements that involve bending over, such as tying your shoes, should be done carefully. It is best to avoid prolonged bending or lifting heavy objects, as these actions can increase pressure in the eyes.

Monitoring and Follow-Up
Regular follow-up with your ophthalmologist is crucial. Since your doctor has indicated that you should return if you experience symptoms like floaters or flashes, it is essential to be vigilant about any changes in your vision. Maintaining a healthy lifestyle, including a balanced diet rich in antioxidants, can also support eye health.

Conclusion
In summary, while you can engage in general exercise, it is vital to avoid high-impact activities and heavy lifting due to the potential risks associated with retinal thinning. Always consult with your ophthalmologist regarding any changes in your exercise routine, especially if you notice new symptoms. Your eye health is paramount, and taking proactive steps can help mitigate risks associated with myopia and retinal thinning.

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