What is a conjunctival sac? The conjunctiva is the boundary between the orbit and the environment and starts at the edge of the eyelid. It lines the inner surface of the eyelids, forms a wrinkle at the bottom and starts again at the cornea. The conjunctival sac (lat. conjunctival sack) is the area delimited by … The conjunctival sac
The accompanying symptoms If there is pus in the conjunctival sac, it is usually conjunctivitis, which can also be accompanied by redness and swelling of the conjunctiva. The affected eye is often sticky. Conjunctivitis is often caused by bacteria and is therefore highly contagious. Treatment is then given with an antibiotic to kill the pathogens. … The accompanying symptoms | The conjunctival sac
The ocular fundus is the posterior part of the eyeball which can be made visible in case of drug-induced pupil dilation. The Latin name for the fundus oculi is Fundus oculi. In order to be able to look at it more closely, one looks through the transparent vitreous body and can illuminate various structures, such … Back of the eye
Diseases The diseases of the ocular fundus can be very diverse and affect different structures. Diseases of the retina are called retinopathies. A common disease of the retina is dabetic retinopathy, which can occur in the context of diabetes. It is the most common reason for early blindness, as it can lead to retinal detachment … Diseases | Back of the eye
Definition Our eyes produce a film of fluid throughout the day to prevent the surface of the eye from drying out. This also counteracts soiling of the eyes, since any dirt in the eye can run off with the liquid. As a logical conclusion, a drainage system in the eye, the tear duct, is therefore … Lachrymal Canal
Clogged tear duct – What is the cause? The tear fluid is drained into the nose through the tear ducts, i.e. through the lacrimal points, tear duct, lacrimal sac and tear-nasal duct. If one of these pathways no longer functions, the outflow is disturbed. The fluid can no longer drain properly due to the blockage … Clogged tear duct – What is the cause? | Lachrymal Canal
What is lacrimal duct stenosis? Lacrimal duct stenosis is a permanent narrowing of the lacrimal duct. This can be seen in excessively watery eyes and frequent inflammation of the eye. It is often noticeable in newborns that they wake up in the morning with encrusted eyes and watery eyes, although they do not cry out. … What is lacrimal duct stenosis? | Lachrymal Canal
Swelling of the tear duct – What is behind it? A swelling of the lacrimal duct is often based on an acute or chronic inflammation of the lacrimal duct and the resulting blockage of the draining lacrimal ducts. This can be accompanied by fever and general weakness and purulent discharge in the eye. Especially if … Swelling of the tear duct – What is behind it? | Lachrymal Canal
Synonyms in a broader sense Dacryocystitis, Canaliculitis Introduction The largest part of the lacrimal apparatus is located in the inner corner of the eye. It consists of a tear-producing and a tear-removing part. The constant moistening of the ocular surface is of great importance for the vision and function of our eyes. The cornea, which … Lacrimal ducts
Structure The lacrimal apparatus with all its components is mostly located in the inner (medial) corner of the eye. Each eye has its own tear apparatus. These lacrimal ducts are completely independent of each other and can also cause individual complaints. The tear ducts are divided into a tear-producing and a tear-transporting part. Tear production … Structure | Lacrimal ducts
What does the tear film consist of? As mentioned above, the tear fluid must perform many different tasks. Therefore, the tear film must consist of several components to meet all the requirements of the eye. The tear film consists of: The tear fluid serves to increase the optical quality of the cornea. All three components … What does the tear film consist of? | Lacrimal ducts
Diseases of the lacrimal ducts Clogged tear ducts are usually noticeable by an overflow of tear fluid from the eye. This is known as lacrimation (epiphora). A blockage of the tear ducts can be congenital or acquired in the course of life.Causes can be inflammations, injuries, rarely tumors or the natural aging process. In most … Diseases of the lacrimal ducts | Lacrimal ducts
