Glossary

Refractive errors that can't be corrected with glasses.

individually guided laser ablation

The term ablation refers to the removal of body tissue.

Short for axis. This indicates the axial position of the astigmatism in degrees.

A nearsightedness, which is caused by an elongation of the eye.

Adaptation of the retinal cells to different light stimuli.

Short for Addition. This term refers to the additional correction of presbyopia in diopters.

The ability of the eye to zoom in.

The ability of the eye to adjust focus on both near and far objects without glasses . The weakening of this ability from about the age of 45 is called esbyopia: The patient then needs reading glasses

Distorted vision is a first, very serious indication of possible macular degeneration. Rapid treatment is needed, as already curred vision loss is hard to repair and the refractive deterioration has to be stopped.

Poor eye sight, for example caused by different refractive power between the two eyes.

Deviation from normal vision: nearsightedness (myopia), farsightedness (hyperopia) and astigmatism.

A patient's medical history.

It refers to a special optic in the refractive condition of the eye.

Developmental disorder of the vision in the early stages of life, for example, by squinting or cloudiness in the cornea.

Corneal irregularity caused by refractive errors, individual points of an object are instead perceived as bars / sticks.

Reciprocal of the distance between the lens and its focal point (1 / m)

Caused by excessive refractive power of the cornea or lens myopia.

Protective lens, which is worn after certain eye surgeries during the healing phase.

The body's natural lens is replaced with an artificial lens.

It represents the front, clear transparent part of the outer skin of the eye. Its diameter is approximately 11 to 12 mm, its thickness is 0.5 to 0.6 mm in e center.

When cataract or cataract occurs, it usually results in a clouding of the lens, caused by age-related changes .

Single layer squamous epithelium as interior lining of the back surface of the cornea.

When cataracts occur, it is usually caused by age-related changes to lens opacity.

Abbreviation stands for cylinder and indicates the value of the corneal irregularity in diopters.

is the eye nearsighted, a minus sign is written in front of the value of the spectacles or contact ns.

Disorder of the tear film due to too little tear fluid or rapid evaporation of tear fluid.

Is a normal vision, where the focal point hits accurately on the retina.

The Epi-LASIK is mainly used for correction of myopia and astigmatism when a femto-LASIK is not possible due to a thin cornea.

Outermost cell layer such as the membrane of the cornea.

UV laser that is used to correct refractive errors.

Eye tracking system for the laser eye treatment.

Point of intersection of the rays after refraction through the lens.

Special laser for preparing the corneal flap during the Femto-LASIK method.

The corneal flap formed during the LASIK procedure.

The back of the eye

Farsightedness is a so-called axial refractive error of the eye.

As glaucoma or glaucoma is defined as an increase in pressure inside the eye, or an otherwise caused circulatory disorder that destroys the optic nerve.

Shifting of drainage channels in the eye with a sudden and severe rise in intraocular pressure.

The fees for doctors (GOA) governs the accounting of all medical services outside the public health insurance

Light sources are perceived with halos / light scattering.

A slight milky clouding of the lens, which can occur after a laser eye treatment.

The eyeball is too short in relation to the refractive power of the optical means of the eye.

Refers to the physical pressure placed on the interior wall of the eye wall.

Lens implants, artificial lenses for correction of vision disorders

Artificial lens, which is now used in the cataract surgery as a replacement for the body's natural lens in the interior eye. One fferentiates the posterior chamber lens (standard) and anterior chamber lens, foldable lenses (made of acrylic or silicone) and rigid lenses (Plexiglas).

surgical removal of small parts of the iris while maintaining the pupil.

Iris, which gives the eye the color. It controls the pupil (aperture), which can zoom in and out.

Inflammation of the iris.

A corneal thinning, which causes the cornea to arch slightly outward due to the intraocular pressure.

An inflammation of the cornea (keratitis) can be caused by an infection with a pathogen, but also be caused by non-infectious causes. Mainly an flammation caused by bacteria can develop a corneal ulcer, which in extreme cases can penetrate into the anterior chamber of the eye.

A fine razor-like instrument for preparing the corneal flap in LASIK.

"Connective tissue "glass dome" of the eye."

Laser Ephitial Keratecotonmy which is the development of PRK.

Laser In Situ Keratomileusis. Method of refractive surgery to correct vision disorders by laser ablation (excimer laser) in the interior of the cornea.

Latin for Lens

Organ of the eye interior, which accounts for a large part of the refractive power of the eye and enables the so-called accommodation.

Artificial lens which is implanted in addition to or as an alternative to the natural lens in the eye.

Instead of the natural lens an artificial lens is placed into the eye.

Stelle des schaerfsten Sehens auf der Netzhaut, auch Point of sharpest vision in the retina, known as the macula.

This leads to fluid buildup under the retina through leakages and to neovascularization.

nearsighted or myopic can see distant objects worse than nearby objects. The light which comes from a distance, is too strongly refracted the cornea and lens, and therefore the focal point of the eye lies in front of the retina. If the light comes from nearby, it is focused properly on the retina. Therefore, a nearsighted can see well up close.

The eye is usually too large, the incoming light is not focused on the retina but in front of it. (medical myopia)

This is the rear inner wall of the eyeball, visible through the transparent glass body.

Measurement of the corneal thickness by ultrasound.

These are the values measured after a laser correction

These are the values measured before a laser correction

From approximately the age of 45 the ability to see sharply up close noticeably decreases. The lens of the eye loses its elasticity, and the ability to cus is reduced. Reading glasses is then necessary.

The procedure, run by the excimer laser, that shapes the second layer of the cornea.

Circular hole in the iris, through which we see.

An inspection device for determining the pupil diameter depending on different lighting conditions.

ReLEx laser correction is a minimally invasive type of laser eye surgery

With ReLEx ® smile, the VisuMax laser enables the fusion of modern femtosecond technology and precise lenticule extraction to provide a minimally invasive vision correction – in one step.

Measure for the beam deflection of the light rays on a focal point, unit is reproduced in diopters.

Generic term for the various vision disorders.

Organ of the eye interior, onto which the incoming light rays impinge.

Means the light deflected. Deviation of the refractive power of the eye, in a perfect case

All the surgical procedures for the correction of refractive errors.

Objective measurement of the refractive power of the eye.

Retina, organ of the eye interior, on which the incoming light rays hit.

"The secondary cataract is the most common "side effect" of the cataract surgery. It consists of a thin layer cell that grows behind the tificial lens, and can increasingly degrade the visual acuity after a successful cataract surgery."

Biomicroscopic examination of the eye with a slit-shaped light source.

The sphere is measured in diopters. (Abbreviation stands for sphere).

Intraocular pressure measurement device

Term for cylindrical spectacles or lenses that compensate for astigmatism.

refractive error caused by an error in the construction of the eye or of the lens

The vitreous body (corpus vitreum) is a component of the eye of vertebrates. To obtain the shape of the eye, they contain a gel-like, translucent bstance, the vitreous body. The vitreous body is located between the lens and the retina. Consequently light, the collected from the lens passes through the vitreous. on its way to the retina The vitreous body is composed of approximately 98% water as well as about 2% hyaluronic acid and a network of collagen fibers

Ability of the eye to perceive two points as separate.

Technique for determining the total refractive error.