The signs of a torn retina can show themselves in many ways. They can also appear without any pain at all. Because there is no pain, people may not suspect the situation. There are things to watch for, however. If retinal tears are not treated at once they can lead to sight loss. Among the signs of a torn retina are these:
- A dark area forming in the vision
- Sight that has fallen compared with before
- Seeing floaters in the eye
- Seeing beams of light
To understand the importance of a torn retina better, it matters to know the structure of the retina. How retinal tears form should also be examined, and eye health looked after accordingly. A torn retina is a break in the retinal layer; if it is left untreated, the retina can separate from the place it sits in. Sudden bursts of light are the most common sign.
A retinal tear can appear painlessly, which makes it harder to detect. Where it is left untreated it leads to greater problems. Protecting eye health is something every person should pay attention to. If one or more of the signs above is present, an ophthalmologist should be seen at once.
Whatever the situation, attending regular eye examinations matters for early detection. That holds not only for retinal tears but for situations such as raised eye pressure as well.
What is the Retina?
Questions such as
what the retina is and what it does are among those asked about the anatomy of the eye. The retina lies at the back of the eye. This layer helps the eye perceive light and plays an important part in the process of sight. The retina, which is a layered tissue, is extremely important in terms of the ability to see. The cornea and the lens lie in the front part of the eye and carry light to the back of it. Thanks to its cells and its structure, the retina then receives that light and carries it to the brain through the optic nerves.
There is a gel of about five millilitres filling the back part of the eye. It is called the vitreous gel. This gel has the consistency of egg white and sits joined to the retina. It makes up about eighty per cent of the volume of the eye. With age, the gel begins to break down over time. As the collagen fibres gather together, other fibres cause the formation of what are called pockets of water in the eye. As the collagen fibres gather and join, problems such as floaters appear in the field of vision. That shows the vitreous gel has lost its properties.
A Torn Retina
A torn retina causes floaters in the field of vision and sudden flashes of light. The situation called
retinal detachment and a retinal tear are connected with one another. The blood vessels in the eye known as the choroid make up the tissue behind the eye that nourishes it. A tear in the retina can allow the retina to separate from that structure, which is called retinal detachment. If it is not treated early, permanent problems can occur in the eye. This situation leads to a reduction in vision and even to loss of the ability to see.
How Does the Retina Tear?
Questions such as
how the retina tears and how a retinal tear forms are of interest among people who think they are facing this situation. A retinal tear is a break in the retina. The separation of the retina from the tissue beneath it, which a tear can lead to, is called retinal detachment. The hyaluronic acid and collagen making up the vitreous gel at the back of the eye can break down over time, which causes the retina to separate from the gel. During this separation and reattachment, bursts of light are experienced in the eye.
If the retina is attached to the gel abnormally, these parts pull on one another, which can lead to larger tears. If a tear is left untreated, water passes through it towards the retina, which can cause the parts in question to separate from one another again. If tears are left untreated they can lead to permanent sight loss in the long term.
Causes of a Torn Retina
Among
the causes of a torn retina, the one standing out most is deterioration of the vitreous at the back of the eye. The vitreous is one of the parts of the body that begins to break down and deform with age. The risk of a retinal tear forming is greater in people who have had
cataract surgery.
Cataract surgery is generally carried out on people of quite advanced age. Because of their age, deformation of the gel is far more likely in these people, which means the risk of a retinal tear is greater as well.
The rate of retinal tears is also higher in patients with myopia. The reason is that a myopic eye is larger than normal. The risk of a retinal tear can also arise through certain injuries and accidents. A family history of retinal tears also raises the risk.
Diagnosis and Treatment of a Torn Retina
Diagnosis and treatment of a torn retina matter a great deal. The earlier a retinal tear is detected, the easier it is to apply treatment. A patient presenting with the signs of a retinal tear goes through a detailed eye examination. After the physical examination, the situation is confirmed with devices such as ultrasound.
Retinal tears are generally treated with laser procedures. Laser treatment is one of the most common methods used in retinal tears. This procedure is carried out in a completely sterile setting by operators who are specialists in their field. The people carrying it out need to be trained above all in the use of precision equipment, because this is an extremely important procedure calling for great care.
The advance of technology today matters a great deal in allowing many problems to be removed easily. With new and current technology, eye problems can be treated far more easily. Laser is used not only in treating refractive errors: a different type of laser (retinal laser) is also used to seal a torn retina.
Where the retina is torn, the eye is first examined for treatment. The state of the tear and the other factors are established. A surgical plan is then drawn up. The procedure takes quite a short time and is carried out under local anaesthetic. Patients can return to daily life and their activities a short while after surgery. The doctor's advice should be followed during the recovery of the eye.
The Eye and Its Anatomy