Myopia and Presbyopia
Dr.
Wang, I would like to consult you regarding my vision issues.
Due to my work, I am exposed to computers daily.
Over the past two years, I have noticed significant changes in my eyesight.
I often see floaters when looking at the computer, and I struggle to read newspapers without adequate lighting; the text is unclear.
I find it necessary to remove my myopia glasses to read small print clearly.
When I switch from my sunglasses prescription to regular myopia glasses, everything appears hazy.
Occasionally, I experience eye pressure pain.
I have been nearsighted since the sixth grade, and my current prescription is approximately -500 to -600 diopters, with an additional -200 for astigmatism.
Should I seek an eye examination immediately? If I delay the check-up until July or August, will my condition worsen? Thank you for taking the time to read my message.
Best wishes!
Xu, 40~49 year old female. Ask Date: 2004/05/12
Dr. Wang Zhangji reply Ophthalmology
Hello: Floaters are caused by the aging of the vitreous body.
Bright computer screens make floaters more noticeable.
Generally, people start to experience presbyopia around the age of 40, which is not a serious condition.
Those with myopia greater than 600 degrees should have regular retinal examinations, but if there are not too many floaters, I think it should be fine to wait until July or August for a check-up.
Sincerely, Dr.
Wang Zhang-ji, Ophthalmology, Taoyuan Hospital, Department of Health, Executive Yuan.
Reply Date: 2004/05/12
More Info
It sounds like you are experiencing a range of visual disturbances that could be related to myopia (nearsightedness) and possibly presbyopia (age-related difficulty in seeing close objects). Given your history of myopia since elementary school and the recent changes in your vision, it is crucial to address these symptoms promptly.
Understanding Myopia and Presbyopia
Myopia occurs when the eyeball is too long or the cornea has too much curvature, causing distant objects to appear blurry while close objects can be seen clearly. As one ages, the lens of the eye becomes less flexible, leading to presbyopia, which makes it difficult to focus on close objects. This condition typically starts to affect individuals in their 40s, but it can be exacerbated by prolonged screen time and inadequate lighting, as you mentioned.
Symptoms to Watch For
The symptoms you described, such as seeing floaters (the "flying mosquitoes" you mentioned), difficulty reading small print without adequate lighting, and experiencing a "foggy" vision when switching glasses, are concerning. Floaters can be a common occurrence, especially if you have myopia, but they can also indicate more serious conditions like retinal detachment, especially if they are new or accompanied by flashes of light. The eye pressure pain you mentioned could also be a sign of increased intraocular pressure, which is a risk factor for glaucoma.
When to Seek Eye Care
Given your symptoms, it is advisable to seek an eye examination as soon as possible. Delaying an eye exam until July or August could potentially lead to worsening of your condition, especially if there are underlying issues such as retinal problems or increased eye pressure. An eye care professional can conduct a comprehensive examination, including checking your visual acuity, assessing your intraocular pressure, and examining the retina for any abnormalities.
Recommendations for Eye Care
1. Regular Eye Exams: Since you have a history of myopia and are experiencing new symptoms, regular eye exams are essential. The American Academy of Ophthalmology recommends that adults with myopia have their eyes checked at least once a year.
2. Proper Lighting: Ensure that your workspace is well-lit to reduce eye strain when using the computer or reading. Consider using task lighting that reduces glare on screens.
3. Screen Time Management: Follow the 20-20-20 rule: every 20 minutes, take a 20-second break and look at something 20 feet away. This helps reduce eye strain.
4. Corrective Lenses: If you find that you need to remove your glasses to read small print, it may be time to update your prescription. Multifocal lenses or reading glasses may be beneficial if presbyopia is developing.
5. 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 eye health.
6. Avoid Rubbing Your Eyes: If you experience discomfort or pressure, avoid rubbing your eyes, as this can exacerbate irritation or lead to further complications.
Conclusion
In summary, your symptoms warrant prompt attention from an eye care professional. Early detection and intervention can prevent potential complications and help maintain your vision. Do not hesitate to reach out to an ophthalmologist or optometrist for a thorough evaluation. Your eye health is paramount, especially given your daily computer use and the changes you've noticed in your vision.
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