Answers to some frequently questions

What are the advantages of using polarized lenses?

This type of lens has two advantages in that they can replace the sun lenses and neutralize the effect of the reflected beam produced by a wet road, water or snow. The benefits that will derive from the use of these lenses are a relaxed view, the correct perception of the colors, a better definition of the object, a UV protection to 100% and the versatility of being able to be mounted on different types of frames

 

What kind of disease is the progressive lens fits?

The progressive lens is used by those who suffer from presbyopia, a condition that affects people in their 40s. The advantage of these lenses is to ensure, with a single pair of glasses, a visual correction ideal at all distances and in every situation, offering a wide picture, crisp and without distortion at all distances and in all directions.

 

What are the LAC?

The LAC are the contact lenses, ie the particular ocular prostheses that function like glasses. They are thin lenses that adhere directly to the cornea and their function is to correct vision defects.

 

Can contact lenses cause disturbances in the patient?

The lenses replace 100% the glasses, but a good rule before wearing them every day to test them for short periods because there may be cases of incompatibility, thus creating redness or burning eyes, tearing or create poor. You should always consult an ophthalmologist to assess what are the contact lenses adapted to the visual problem and the physical condition of the patient.

Are the prescription lenses all the same?

No. The lenses are differentiated by type of vision correction. Depending on the patient's problem, the ophthalmologist or optician evaluates the best corrective solution.

What is the use sunglasses?

Sunglasses are a very important protection for our eyes, because UV radiation can damage them, especially for those who have light eyes and children, who have delicate eyes.
Prolonged exposure of the eyes to the sun can cause damage to the crystalline lens, the conjunctiva, the cornea and the retina, creating serious damage such as cataracts or chronic conjunctivitis.

Do the sunglasses, that are on the market, protect everyone equally?

No. There are sunglasses lenses with scarce that do not protect the eyes, indeed, are likely to damage them as they lower the brightness and are not capable of shielding the UV rays. To protect your eyes from ultraviolet radiation, and then over the years to preserve the view, you should choose lenses certified that filter UV radiation.


What are the characteristics of photochromic lenses?

Photochromic lenses have a number of advantages compared with normal lenses. Change from clear indoors to dark outdoors, indoors and at night they become regular clear lenses and block 100% of the sun's rays. Also, this type of lens is compatible with different models and brands of frames, for which do not require a particular frame.


Are there some precautions to not lose sight?

Important, both for the visual and activities for reading, have lighting is adequate , that is a source of direct illumination given to the reading position , and a position and distance appropriate to the reading to be easy on the eyes.
To calculate the minimum reading distance just put the fist of his right hand under your nose and place the sheet of reading is not as close as the elbow.

Also, the posture is essential . Keep a good position of the spine to avoid to keep it arched and not read lying on your stomach or side . For those who work long time in the same position , you should carry the stops and turn its gaze toward an object far away, relaxing neck and shoulders.

For the eyes , especially for those who have them clear , it is essential to protect them from the sun with special sunglass lenses . And finally , even the power to improve our eyesight : limited sugars and refined foods too , favoring fruits and vegetables in season, and introducing feeding vitamins A and E present in carrots and blueberries.