Glasses are prescribed for a variety of reasons, including addressing computer vision issues. Many people mistakenly consider them a 'crutch' that weakens the eyes, but this is not always the case. Often, glasses serve as a temporary correction to relieve eyestrain or to help maintain eye health by allowing the eyes to work with less effort. If you have any frequently asked questions about when to use glasses, be sure to ask your doctor for guidance.
Carrots are an excellent source of nutrition and play a role in supporting eye health. They contain the nutrient beta-carotene, which is a beneficial antioxidant. However, while beta-carotene is good to incorporate into your diet, it doesn't directly enhance the eye's ability to see clearly and does not convert to the vitamin A that we need more of as we age. For those concerned about computer vision issues, it's important to note that nutrition is discussed in much more detail in 'Smart Medicine for Your Eyes', which addresses frequently asked questions regarding maintaining optimal eye health.
Using a computer is similar to the 'near viewing' you experience when reading books; it requires your eyes to focus closely. While there are certainly differences in the viewing situation, the amount of near-viewing focusing can lead to computer vision issues and contribute to eyestrain. However, applying good ergonomic principles is essential for maintaining eye health. For more details, check the section on 'Visual Ergonomics in the Workplace,' which addresses frequently asked questions about this important topic.