Optician

Step-by-step instructions for inserting the soft contact lens | The insertion of contact lenses

Step-by-step instructions for inserting the soft contact lens Wash and dry hands Lens on index finger Pull lower eyelid down Pull upper eyelid upwards Place the lens on the eye Release eyelids, blink carefully Check seat in mirror All articles in this series: The insertion of contact lenses Insert soft contact lenses Step-by-step instructions for … Step-by-step instructions for inserting the soft contact lens | The insertion of contact lenses

Contact lens care

Synonyms in a broader sense Adhesive lenses, adhesive shells, adhesive lenses, glasses engl. : contact lensesWhen taking care of contact lenses, extremely hygienic and thorough procedures should be followed to prevent corneal infections and damage. Before handling the lenses or contact with the eyes, hands should be cleaned thoroughly with soap and water. The lenses … Contact lens care

Diopters – Values

Definition The refractive power of the eye is measured in the value diopter, which is abbreviated as dpt. The value of the refractive power indicates how far behind the lens the light is bundled and thus the image in the eye is brought into focus. From this it follows that dioptre is the reciprocal of … Diopters – Values

Estimation of the strength of a visual aid for | Diopters – Values

Estimation of the strength of a visual aid for If there is an age farsightedness, then there is a rule of thumb, which helps to the inaccurate estimate: The reciprocal value of the distance in meters, in which one would like to read its newspaper gladly becomes minus the reciprocal value of the distance in … Estimation of the strength of a visual aid for | Diopters – Values

Fitting the contact lenses

Synonyms in a broader sense Adhesive lenses, adhesive shells, adhesive lenses, glasses engl. : contact lensesThe fitting of contact lenses should always be carried out by a specialist, e.g. an ophthalmologist or optician. It is not advisable to fit lenses yourself, as contact lenses of the wrong size or curvature can permanently damage the cornea. … Fitting the contact lenses

History | Sunglasses

History The precursors of today’s sunglasses have been around for a very long time. Already in ancient Rome, there are said to have been ways of protecting the eyes from too much light. In those days, very thinly cut stone slabs were used, which were held in front of the eye and thus guaranteed the … History | Sunglasses

Sunglasses

Synonyms in a broader sense Glasses, lenses, sunglasses Definition A pair of sunglasses is a pair of glasses with darkened, tinted lenses or lenses that alternately adapt to external light conditions. The production of the actual spectacle frame does not differ from that of normal vision spectacles. The only difference is in the manufacture of … Sunglasses

Side effects of hard contact lenses | Side effects of contact lenses

Side effects of hard contact lenses Generally speaking, hard contact lenses have fewer side effects than soft contact lenses. However, this is also strongly reflected in the price. Hard contact lenses are both firmer and smaller and, due to the constant development of materials, are in no way inferior to soft contact lenses in terms … Side effects of hard contact lenses | Side effects of contact lenses

Side effects of the pill on contact lenses | Side effects of contact lenses

Side effects of the pill on contact lenses A common problem in women taking the hormonal contraceptive pill is visual changes and discomfort. The additional hormones can cause small differences and fluctuations in the body’s fluid balance, which in turn affects the tolerance of contact lenses. The cornea swells and changes its shape slightly. As … Side effects of the pill on contact lenses | Side effects of contact lenses