Your eyesight in adulthood and middle age

The article was professionally consulted by Specialist Doctor I Nguyen Thi Bich Nhi - Ophthalmologist - General Surgery Department - Vinmec Nha Trang International General Hospital. The doctor has 10 years of experience in the field of ophthalmology.

Vision, like many other bodily functions, will be affected by time. So how does time affect vision?

Visual acuity is the ability of the eye to perceive and distinguish clearly two distinct points near each other. The angle created between these two points is called the visual angle.

Human visual acuity when entering adulthood reaches the highest threshold, then will gradually decline over time. However, this decline happens very slowly, very slowly, and it is not until people are middle-aged that people begin to feel it clearly.
Changes in vision over time (slower vision) are natural, but some changes are normal, and some will require certain examination and treatment interventions.
2.1 Normal vision changes Normal vision changes include:
Decreased focus of the eye, impaired vision, difficulty seeing close objects clearly.

Difficult to distinguish colors, difficult to recognize the limits of objects that have the same color as the background background. Needs stronger light to see better, takes more time to adjust when changing between environments with different light intensities. 2.2 Abnormal eye changes and vision It is true that vision loss is not a normal factor as people get older, but over time the risk of eye problems and diseases is related With increasing age, the risk of vision loss increases. Age-related eye problems and conditions include:
Macular Degeneration : This is the leading cause of vision loss in the United States. An estimated 11 million U.S. citizens have various forms of macular degeneration, and this number could double to nearly 22 million by 2050. Age is a major risk factor for macular degeneration. macular degeneration. Cataracts: The lens, which is clear, gradually becomes opaque or white, partially then gradually spreads to the entire lens. Cataracts are common in the elderly. However, cataracts are treatable, and cataract surgery is an effective treatment for cataracts. Diabetic retinopathy: The most common cause of vision loss in people with diabetes. The blood vessels in the retina are damaged, bleeding, leading to vision loss and eventually permanent vision loss. Glaucoma: Glaucoma is a common cause of vision loss. Glaucoma has many different forms, the symptoms will depend on the type of glaucoma encountered, from silently causing damage to the eye without any symptoms for a long time, to suddenly manifesting symptoms.

You can refer to some of the following guidelines to maximize your eyesight:
Do not smoke. Exercise regularly. Maintain blood pressure values ​​in the normal range. Control blood sugar levels if you have diabetes. Wear sunglasses with UV protection when going outdoors. Practice a healthy, balanced, nutritious diet. Wear adequate protective gear when performing activities that pose a risk of eye damage. Vinmec International General Hospital is one of the hospitals that not only ensures professional quality with a team of leading doctors, modern equipment and technology, but also stands out for its examination and consulting services. and comprehensive, professional medical treatment; civilized, polite, safe and sterile medical examination and treatment space.

Article reference source: webmd.com