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Hyaluronic acid does not allow the eyes to turn into a desert. 

 If  the acid is in the storage solvent or eye drops, feel safe to buy it.  These products are particularly useful if contact lenses cause dryness, irritation or itching in the eyes.  Hyaluronic acid is widely used is cosmetics.  Creams that  contain the acid maintain skin moisture, smoothness and freshness for a longer period of time.  Manufacturers also  offer contact lenses, solvents and eye drops with hyaluronic acid.  This is of vital importance because the acid attracts moisture to the cornea, thus not allowing the eyes to dry out.  That is why optic products with hyaluronic acid are seen as better than others.

Ordinary contact lenses gradually dry out, and a person with habitually dry eyes will find that the lenses can cause irritation or itching.  Contact lenses with hyaluronic acid, in turn, preserve moisture in the eyes and do not allow them to become dry.  There is no rubbing between the eyelid and the cornea.  If you need  contact lenses with hyaluronic acid, look for PureVision2 one-month contact lenses  from Bausch & Lomb.  They include hyaluronic acid molecules which very effectively moisten the eyes all day long.  PureVision2 contact lenses can be bought from the OpticRoom.com Internet store.  We also offer contact lens storage solvents with hyaluronic acid, because the acid moisturises the lenses all night long.  When you put them on in the morning, they are more slippery, easier to insert, and with no rubbing between the eyelid and the cornea during the day.

It is no secret that contact lens solvents contain certain preservatives to protect the liquid from bacteria.  The  fewer preservatives, the more natural the solvent is seen.  People with sensitive eyes can make sure of this in that if they feel pain when inserting contact lenses after them out of the solvent in the morning, there are probably too many preservatives in the liquid.  If not, then there are apparently comparatively fewer preservatives.  If you want contact less solvent with hyaluronic acid and few preservatives, because your eyes are sensitive, look for BioTwin solvent from Pilloset.  Specialists also recommend BioTrue from Bausch & Lomb, which also contains hyaluronic acid, but it is only suggested for PureVision2 one-month contact lenses.

Hyaluronic acid is also valuable in eye drops, because they create a protective and moist layer when used in the eyes.  These eye drops are particularly recommended for people whose eyes tend to dry out and who therefore face a greater risk of infections.  OpticRoom.com offers Ocuyal and Ocuyal Gel eye drops with hyaluronic acid from the Schalcon brand.

 

Ordinary eye drops are based on water, and so they are quickly absorbed and maintain moisture for a comparatively short period of time.

Astigmatism – eyes like rugby balls.  People often are very worried about the often-head diagnoses from optometrists who say that instead of far-sightedness or near-sightedness, there is the alien concept of astigmatism.  “Don’t worry,” says optometrist and contact lens specialist Zinta Šermukšne from the OpticRoom.com Internet store.  Astigmatism is nothing terrible.  All people have it to a greater or lesser degree, and it sometimes does not cause serious vision problems.  Astigmatism simply means that in evaluating a patient’s vision, the optometrist will not only look at near-sightedness or far-sightedness, but also find elements that are known in optometry as the cylinder and the axis.  In everyday situations, that means that people see horizontal lines more clearly and see vertical lines less clearly.  Someone with astigmatism may also think that the lines are doubled, seeing horizontal letters such as e, b and s clearly on a blackboard, but not vertical letters such as a, u or t.

Few people have totally healthy eyes.  The surface of the cornea should be as round as a ball, but people with astigmatism have corneas that are not round as a ball, instead being stretched to a greater or lesser extent in both directions, thus resembling a rugby ball. 

In diagnosing astigmatism, the optometrist prescribes toric contact lenses or glasses that do not just adjust plus or minus dioptric near-sightedness or far-sightedness, but also the optometric indicators that are the cylinder and the axis.  The largest and best known manufacturers of optic products usually manufacture toric contact lenses in addition to ordinary ones.  OpticRoom.com, for instance, offers toric monthly contact lenses from Johnson & Johnson under the brand name Acuvue Oasys, toric Air Optic Aqua monthly contact lenses under the brand name Ciba Vision, as well as toric contact lenses from other manufacturers.

Toric contact lenses or glasses are comparatively more expensive, because they are bespoke for each person.  They also have a diameter that is approximately 1.5 mm larger than normal, which means that people with narrower eyes may have greater problems with them.

Astigmatism can be inborn, and it is enhanced if the eyelids ensure greater pressure on the surface of the cornea.  This is why astigmatism is often diagnosed in children.  As people grow up, however, the muscles of the eyelids become weaker, and astigmatism can disappear, or opposite astigmatism can appear.  That means that the vertical and horizontal lines that the person saw more clearly previously can become less clear over the course of time or vice versa.  Astigmatism can also be caused by eye injuries.  People who have comparatively minor astigmatism can make do without contact lenses or glasses, but the unimportant vision detect can cause frequent headaches.  To deal with these, the only solution may be contact lenses or glasses.