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Ekomi 4.8/5.0

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Abbreviations

Abbreviations can be seen on the blister packs and boxes with contact lenses.

Aberation of lower rank

This is a defect of vision which can be corrected by glasses or contact lenses. In order for the parallel rays of light coming into the eye to fall precisely at the sharpest point on the…

Acanthamoeba

Acanthamoeba is a genus of the rising protozoa empire Amoebozoa. Acanthamoeba are naturally occurring amoeba (tiny, one-celled animals) commonly found in water sources, such as tap water…

Accommodation

Accommodation is the eye’s ability to change its optical power of its refractive system, in other words, to see objects clearly at varying distances…

Acidification of the tear film

Raising and lowering of the pH of the tear film occurs due to the retention of carbon dioxide (hypercapnia), which is formed as a result of the…

Acute red eye syndrome

This syndrome occurs sometimes, after waking up, to patients who use contact lenses of continuous wear. It manifests itself as a…

Additions

The term addition (abbreviation ADD) is used in connection with multifocal contact lenses, meaning the sum of dioptres, which can cover short…

Adhesion of contact lenses

Perfect adhesion (adherence) to the cornea is necessary not only to maintain the contact lens in the eye, but to ensure hydration of the areа of the cornea, which is covered by the contact lenses…

Albinism

Albinism is a rare condition when the eye does not produce pigment. The patient is photosensitive (see photophobia), and has a pink iris…

Allergic reaction

Allergic reaction of ocular tissues is often caused by a reaction to the contact lens materials, preservatives in…

Amblyopia

Amblyopia or lazy eye represents the diminishing of visual acuity of the eye without visible signs of eye disease. It is caused by the absence of a…

Aniridia

Aniridia is a complete or partial lack of iris. Sometimes coincides with nystagmus and

Anisometropia

This is the refractive error when the refraction of both eyes are not the same. In hypermetropic…

Anterier segment of the eye

The anterior segment of the eye presents the front third of the eye, which includes the cornea, anterior chamber, iris and…

Anti-Reflective (AR)

Anti-reflective coating can reduce eyestrain caused by glare and reflections and all this, thanks to the simplest form of anti-reflective coating that was discovered by Lord Rayleigh in 1886…

Aphakia

Aphakia is the absence of the lens of the eye, due to surgical removal, a perforating wound or ulcer, or congenital anomaly. It causes a loss of…

Application

Reasons for application of contact lenses can be divided into the following groups: Diagnostic – these are special hard contact lenses which help with…

Artificial tears

These are drugs that can be simultaneously used with contact lenses or contact lens solutions unless oil based. Artificial tears replace…

Aspherical contact lenses

Aspheric contact lenses, have varying curvatures across the surface, from the edge to the center. But spherical contact lenses have an even curvature on the entire surface of the lens…

Astigmatism

Astigmatism is an optical defect when vision is blurred due to the inability of the optics of the eye to focus on a point and bringing an object into a sharp focused image on the retina. This may…

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Meller

According to the law on sales registration, the seller is obliged to issue and provide receipts for all clients. It is also obligatory for the seller to register the sale with the tax administrator with no delay, within 48 hours in case of technical failure.