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Ekomi 4.8/5.0

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Refraction

It is the ratio of total fragility of the fracture environment eye to the length of the eyeball. In a healthy eye refraction is ideal, so that the retina is located at the focal point of…

Refractive defects

Among refractive errors of the eye are: Myopia (myopia) Farsightedness…

Refractive index

The index of refraction is a fundamental optical quantity characterizing any optical environment. For the material of contact lenses the figure of refractive index should be close to the value of…

Refraktometer

It is a computerized device for measuring the refractive defect of the eye.

Retina

The retina is the third and inner coat of the eye which is a light-sensitive layer of tissue. The optics of the eye create an image of the visual world on the retina (through the cornea and lens)…

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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.