Do You Really Need Full Prescription Glasses for Your Vision? - Ophthalmology

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Glasses and Vision


Dr.
Wang, I recently visited Chung Shan Medical University for an eye examination.
The doctor there informed me that I need to have my prescription fully corrected (my prescription is +5.50 for the right eye and +5.75 for the left eye).
However, since I sit in the front row of the classroom, is it necessary to have the full prescription, or should I consider a lower prescription? Also, do I need to wear my glasses all the time in my daily life? I usually do not wear glasses except during class.
What are some good practices for maintaining eye health? I typically attend classes until 9 PM.

Xiao Ke, 10~19 year old female. Ask Date: 2016/03/30

Dr. Wang Zhishun reply Ophthalmology


Hello, because you are under 18 years old and your prescription is not yet stable, squinting to see clearly may lead to an increase in your prescription.
Therefore, the main focus should be on clear vision.
Whether you need to get a full prescription or wear glasses all day is something you can consider for yourself.

Reply Date: 2016/03/30

More Info


When it comes to determining whether you need full prescription glasses for your vision, several factors must be considered, including your specific visual needs, the severity of your refractive error, and your daily activities. Based on your provided information, your right eye has a prescription of -5.50 diopters and your left eye -5.75 diopters, indicating moderate myopia (nearsightedness).

Do You Need Full Prescription Glasses?
1. Classroom Environment: Since you mentioned sitting in the front row of your classroom, having full prescription glasses can significantly enhance your ability to see the board clearly. Even if you are seated close to the front, the clarity provided by full prescription lenses can help reduce eye strain and improve your overall learning experience. If your vision is blurry without glasses, it is advisable to wear them during class.

2. Daily Activities: If you find that your daily activities, such as reading, using a computer, or watching television, are affected by your vision, wearing your glasses more consistently may be beneficial. While you may not feel the need to wear glasses outside of class, consider that wearing them during activities that require clear vision can help prevent eye strain and fatigue.

3. Adjusting Prescription: Some individuals opt for a reduced prescription to avoid the "strong" feeling of full lenses, especially if they are not accustomed to wearing glasses. However, this can lead to discomfort and visual fatigue over time, particularly if you are straining your eyes to see clearly. It’s essential to discuss with your eye care professional the potential benefits and drawbacks of wearing a full prescription versus a reduced one.


Vision Care Tips
1. Regular Eye Exams: Regular check-ups with your eye doctor are crucial, especially as your vision may change over time. Annual exams can help monitor your eye health and ensure your prescription is up to date.

2. Proper Lighting: When studying or reading, ensure that your workspace is well-lit. Poor lighting can lead to eye strain, especially if you are reading for extended periods.

3. 20-20-20 Rule: To reduce eye strain from prolonged screen time, follow the 20-20-20 rule: every 20 minutes, take a 20-second break and look at something 20 feet away. This practice helps relax the eye muscles.

4. Healthy Lifestyle: Maintaining a healthy diet rich in vitamins A, C, and E, as well as omega-3 fatty acids, can support eye health. Staying hydrated and getting regular exercise also contributes to overall well-being.

5. Screen Time Management: Since you mentioned studying until late at night, be mindful of your screen time. Consider using blue light filters on your devices and taking regular breaks to prevent digital eye strain.

6. Wearing Glasses: If you decide to wear glasses, make sure they fit well and are comfortable. Ill-fitting glasses can cause headaches and discomfort, which may discourage you from wearing them regularly.


Conclusion
In conclusion, while you may not feel the need to wear glasses outside of class, having full prescription glasses can enhance your visual clarity and reduce eye strain during activities that require good vision. It is advisable to wear your glasses during class and consider wearing them during other activities where clear vision is essential. Regular eye care practices, including check-ups and proper screen habits, will help maintain your eye health and comfort. Always consult with your eye care professional to make informed decisions regarding your vision needs.

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