10 signs to watch for in eye health

Sight is one of our five senses and one of the senses we use the most in everyday life to perform the most varied tasks in our daily lives. For this reason, taking care of eye health is fundamental, and to do this you need to be alert to signs that may indicate something is wrong.

A periodic visit to the ophthalmologist, or as soon as you detect any of the signs we list below, is an essential step in preventing major problems and contributing to good eye health.

10 signs not to ignore for good eye health

Blurred or fuzzy vision

The sensation of seeing blurred, even when there is no fog, can be a sign of certain eye diseases, such as cataracts, presbyopia, glaucoma, age-related macular degeneration (AMD), among other problems. For this reason, this symptom deserves a visit to an ophthalmologist.

Loss of vision

If you feel that you are losing the quality or capacity of your vision, you should see an ophthalmologist immediately and not wait for this visual difficulty to worsen. This symptom can be associated with cataracts, AMD, diabetic retinopathy or glaucoma, and in the latter case, the risk of blindness increases.


If you have a lot of trouble adjusting to dark and bright environments, it may be a sign that you have AMD, diabetic macular edema, or corneal damage.

If this symptom only appears after looking at the screen of an electronic device (computer, tablet, cell phone) for several hours, then it is not necessarily a sign of disease, but only of fatigue, and it is recommended not to spend many hours in front of a screen.

Vision with spots, flashes of light or floating bodies

The characteristics of these spots, flashes of light or floating bodies can vary considerably from one individual to another, as can their cause.

Some of the eye diseases that can give rise to these signs are: AMD, vitreous hemorrhage, retinal detachment, and vitreous detachment. However, the exact diagnosis of this problem can only be made by an ophthalmologist.

Frequent change of degree

At certain stages of life, having to change your graduation regularly may be normal, but from the age of 40 onwards, this condition may be related to certain problems, such as presbyopia. Therefore, in these situations, it is also important to consult an ophthalmologist.

Double vision

This symptom can occur in association with various problems, of ophthalmological origin and not only. This condition can be related to a strabismus, but also to a stroke, a brain aneurysm or a tumor. Therefore, if you have double vision, you should seek medical help immediately.

Red, dry and/or itchy eyes

Red, dry and/or itchy eyes can be a temporary and harmless condition. It can be a reaction to agents such as the sun, chlorine from swimming pools or the action of certain viruses and bacteria.

However, in some cases it may be an indicator of injury or disease such as dry eye syndrome, conjunctivitis, allergic conjunctivitis, glaucoma, uveitis and scleritis.

Treatment still lacks diagnosis and medical evaluation.

Difficulty in distinguishing colors and details

In addition to the most associated cause of difficulty distinguishing colors – color blindness – this problem with accurate observation of certain details can also be related to diseases such as cataracts, AMD and glaucoma, as well as inflammation of the optic nerve (optic neuritis).

Chronic diseases

Some chronic diseases and the medications intended to control those diseases can also promote the development of eye disease. Two of the most obvious cases are diabetes and high blood pressure.

Diabetic retinopathy affects more than half of all diabetics and increases the risk of blindness in these patients. Thus, these chronic patients must make regular visits to the ophthalmologist for routine examinations and vision monitoring.

Frequent headaches

If you suffer from daily headaches with no apparent cause, ask yourself if they are related to refractive errors.

If you are having trouble seeing at a distance or up close and are not wearing properly calibrated glasses or lenses, it means you are making an extra effort to see clearly, which can lead to headaches. If this is the case, consult an optician.

Taking care of your eyes

As we have seen, eye diseases can give signs, but this is not always the case or these signs do not always appear in time to treat or correct the problem. Hence the importance of eye screening and routine consultations.

In addition, there are certain behaviors we can adopt to prevent vision problems, such as:

  • Regular visits to the opticianespecially if you are in risk groups such as the chronically ill, the elderly or those with diagnosed eye problems ;
  • Wear sunglassesA wide-brimmed hat and a pair of sunglasses, filtering 99% to 100% of UV rays (both UV-A and UV-B) ;
  • Take special precautionsif you are taking medications such as doxycycline, tetracycline, allopurinol, etc;
  • Adjusting the brightness and contrast of the screensto be less aggressive for the eyes and to avoid the reflection of the light on the screens ;
  • Avoid word processors with very dissonant color contrasts.like working with black letters on a white background and simultaneously on a black background with white letters ;
  • Apply filters to the screen and wearing glasses adapted to computer work can also be useful aids ;
  • Conducting eye screening for children early days of life, at age 6 months, at age 2/3 years, and at age 6 years;
  • Never self-medicateApplying eye drops or ointments that have not been prescribed by a physician;
  • Do not look directly at the sunOr a welding lamp if you do not have proper eye protection.

Take care of your eyes!

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