Quck answer

Some people need glasses because they have a condition called refractive error. This means that their eyes do not bend or focus light properly, leading to blurry vision. There are different types of refractive error, including nearsightedness, farsightedness, and astigmatism. Nearsighted people can see objects up close clearly but struggle with distant vision. Farsighted people have trouble seeing nearby objects clearly. Astigmatism causes blurry vision at all distances. Glasses correct these vision problems by bending the light in a way that helps the eyes focus properly.

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Have you ever undergone an eye examination? If so, what do you recall about it? Your physician likely asked you numerous inquiries regarding your visual capabilities. They may have instructed you to cover one eye at a time and read letters from a specialized eye chart.

Typically, eye charts consist of multiple rows of letters. The uppermost row commences with exceedingly large letters, gradually decreasing in size as you approach the bottom of the chart.

What is the correlation between recognizing your ABCs and eyeglasses? Each line of the chart has been assigned a numerical value. During the examination, patients read each line of the chart until the letters become too minute to be read effortlessly.

If you can read line 20 from a distance of 20 feet, this signifies that you possess 20/20 vision. Physicians consider this to be normal vision without the necessity for eyeglasses. In certain cases, individuals can only discern the gargantuan letter at the top of the chart. This implies that they possess 20/200 vision. Individuals with 20/200 vision are deemed to be legally blind.

There are numerous medical reasons why individuals wear eyeglasses. The straightforward answer is that eyeglasses aid in improving vision. Some individuals wear eyeglasses for viewing distant objects or for driving. Others only wear eyeglasses when engaging in activities that require close proximity, such as reading, writing, or knitting. Some individuals wear eyeglasses constantly.

Individuals who encounter difficulties in perceiving distant objects possess myopia, or “nearsightedness.” This means that they can effortlessly see objects that are in close proximity to them. However, when viewing objects at a distance, they experience greater difficulty. The image may appear blurry. Nearsightedness occurs when the physical length of the eye exceeds its optical length. Consequently, the visual image is focused in front of the retina, rather than directly on it.

Individuals who have difficulties reading and seeing objects up close have hyperopia. This condition is also referred to as “farsightedness.” It transpires when the visual image is focused behind the retina. It may be caused by a weak focusing capacity or an undersized eyeball. Another condition that can necessitate the use of eyeglasses is “astigmatism.” This arises when a portion of the eye possesses an irregular shape.

Individuals with myopia, hyperopia, or astigmatism can enhance their vision by utilizing eyeglasses or contact lenses. How do eyeglasses and contact lenses function? They employ convex or concave lenses to refract the light entering the eye. This readjusts the eye’s focus, thereby aiding in the correction of vision problems.

Do you wear eyeglasses? Do you have a friend or family member who does? Experts estimate that approximately 75 percent of adults wear eyeglasses or contact lenses. They are highly prevalent! When was the last time you had your eyes assessed? Speak with a family member about your visual health today.

Give It a Try

Can you see me now? Request the assistance of a friend or family member to assess the following activities:

Eye Care Activities

It is important for everyone to have their eyes examined at some point. Today, you can try an online eye test. Don’t forget to ask for assistance from a friend or family member. Do you think you need an eye exam? Have a discussion with a trusted family member.

If you or someone you know wears glasses, you might have experienced misplacing them. To solve this problem, visit a craft store and gather some supplies. Then, have some fun making a unique hand-beaded eyeglass chain. By doing this, you can ensure that misplaced glasses become a thing of the past! Remember to ask an adult for help during the process.

Have you ever been to an eyeglass store? If not, it’s time to go! Request an adult friend or family member to take you on a field trip to a local eyeglass store. Take a look at the different types of glasses available and try some on. If you were to get new glasses, which ones would you choose?

Helpful Resources

• http://faculty.washington.edu/chudler/sight.html (accessed 16 Nov. 2020)
• http://kidshealth.org/teen/diseases_conditions/sight/visual_impairment.html (accessed 16 Nov. 2020)
• https://www.nlm.nih.gov/medlineplus/ency/imagepages/19511.htm (accessed 16 Nov. 2020)
• https://www.allaboutvision.com/eyeglasses/faq/why-people-wear-glasses/ (accessed 16 Nov. 2020)