Eye Supervision Academy

Visual release hallucinations also known as Charles bonnet syndrome CBS is the experience of complex visual hallucinations in a person with partial or severe blindness first described by Charles Bonnet in 1760. It was first introduced into english-speaking psychiatry in 1982 mentally healthy people with significant vision loss may have vivint complex recurrent visual hallucinations. Fitz's visual percepts one characteristic of these hallucinations is that they usually are lilliputian hallucinations in which the characters or objects are smaller than normal. The most common hallucination is the faces are cartoons sufferers understand that the hallucinations are not real and the hallucinations are only visual that is they do not occur in any other senses . For example hearing smell or taste among older adults greater than 65 years with significant vision loss. The prevalence of Charles bonnet syndrome has been reported to be between 10% and 40%. A recent Australian study has found th...

Macular degeneration or age related macular degeneration is a leading cause of vision loss in people who are 60 and older. Pic credit: Vision Centre It is a disease that destroys your sharp central vision. You need central vision to see objects clearly and to do tasks such as reading and driving. It affects the macula the part of the eye that allows you to see fine detail. It does not hurt but it causes cells in the macula to die. There are two types: Wet and Dry Pic credit: Clay eye physicians 1. Wet AMD happens when abnormal blood vessels grow under the macula these new blood vessels often leak blood and fluid. Wet AMD damages the macula quickly blurred vision is a common early symptom. 2. Dry AMD happens when the light-sensitive cells in the macula slowly break down. You'll gradually lose your central vision. A common early symptom is that straight lines appear crooked. Regular comprehensive eye exams can detect macular degeneration before the disease causes vision loss. Trea...

Pic credit: slideshare Optometrists are primary care professionals and their main goal is really to assess the health of your eyes. How your eyes may reflect the health of your body. While visiting an optometrist be aware that they need to know about the conditions that you experience overall. Pic credit: Alberta association of optometrists An optometrist is someone who looks after your eyes and makes sure that you can see clearly. Your optometrist is qualified to check the health of your eyes. They will start by asking you why are you visiting, about your eyes and general health, any symptoms you are experiencing and if you wear glasses or contact lenses.  They will check your vision, eye co-ordination, and will test your eyes to see if you need glasses.  They will also check the health of yohr eye for signs of disease, and maybe able to spot signs of other health conditions such as diabetes or high blood pressure. If there is a change in your vision and you do need some corr...

What is Strabismus? Pic credit: Paediatric Opthalmology Strabismus or misalignment of the eyes, can have many different causes. The Strabismus can be Comintant or Incomitant . Pic credit: Orchidia Comitant Strabismus means that the angle of deviation is the same in all positions of the gaze and the extraocular movements are full. Forms of comitant strabismus Pic credit: brainkart Incomitant Strabismus, means that the angle of deviation is different in different positions of gaze, and the extraocular movements are not full.  Incomitant Strabismus is a worrisome sign and it is something that you cannot afford to miss, as it may be caused by either restriction or paralysis of the extraocular muscles.  Pic credit: slideshare Restriction or trapping or shortening of the muscle can  e due to ocular trauma, orbital inflammation or orbital tumour. Causes of Strabismus: It may be caused due to an infantile reason at a young age or accomodative reason. One can also have them for ...

Thyroid eye disease or Graves' eye disease is a systemic autoimmune disease where cells feom tour bone marrow attack both the thyroid and can attack the eyes or tissue on the body.  Basically it's an autoimmune condition where the body amounts an immune response, an immune reaction to both the thyroid and to the tissues in the eye socket. And this can cause swelling and expansion of the muscles and the fat inside the eye socket. It can push the eyebsll forward and making make the eyelids retract. It can make it so thst the muscles don't move properly and can cause double vision and, in the worst cases, it can cause so much pressure in the eye socket that it compromises the blood supply to the optic nerves and it can cause blindness.  Most of the time the condition can be treated in its acute phase. It can be treated medically. Sometimes though, such as in the case where the optic nerve is being compressed, it does require a surgical intervention and that usually involves wh...

 The ability to see is something that most of us take for granted. Yet there are almost 285 million visually impaired people in the world with 39 million of them being completely blind. Blindness can reduce the wuality of one's life by making them dependent on others even for simple tasks. Thanks to advancements in medical science and technology scientists and researchers are coming up with novel ways to cure blindness. Bionic Eye gives hope to the blind Pic credit: industryweek.com The Bionic eye is for blind people who have damaged optic nerves, which prevent the transmission of visual data from the retina of the eye to the visual cortex of the brain. The bionic eye developed by the team at Monash University  can bypass these damaged optic nerves by creating an alternate route for the visual data to travel from the retina to the visual cortex of the brain. Advanced computer models enables improvements in the bionic eye Pic credit: Scitechdaily.com Existing technologies are n...

Losing your eye can be traumatic it's never a good situation but there are options. Pic credit: www.drakshaynair.com Patients who undervent evisceration surgery, have had an experience of simply putting prosthetics in the place of its  damaged eye. Pic credit: www.drakshaynair.com We must remember that since this artificial eye doesn't allow you to see. It is just a replacement of the eye such that when seen from outside both the eyes appear normal and similar. Benefits of Prosthetic Eyes So let's talk about some of the benefits that a prosthetic eye could offer you: 1) Prosthetic eyes can bring back confidence. 2) Iris colors can be matched pretty well.  3) It can even move to a certain limit as compared to a normal eye. 4) Sometimes lid surgeries may be needed to help match the eyelid up and then there are some times where especially with trauma or cancers that things can cause it can lead to damage to the eyelid and the surrounding tissues. Also in these cases the outcom...

What is a Cataract? A cataract is a haziness of the lens that all of us develop naturally if we live long enough unfortunately with age.  Normal eye Vs Eye with cataract Can you reverse cataracts without surgery? Unfortunately, we cannot reverse cataract development. At the moment we don't have any technology or any ability to do that. It's a natural thing that we all experience eventually. If you have been diagnosed with early cataracts or if you'd like to just never be diagnosed with vision changing cataracts then have a look at the 5 tips shared below to slash your risk of ever developing severe cataracts: Protect your eyes from the ultraviolet radiation of the sun at all times.  Wear dark UV blocking sunglasses and a wide brimmed hat anytime you're out in the sun.  If eyeballs have been exposed to sunlight it hurts your eye lens. Lens of the eye does not have any blood vessels feeding it whatsoever also the cells in your lens don't have a nucleus and they also d...

 ' Ortho ' is derived from the Latin word meaning ' straight ' and then Keratology is the science of altering the shape of the cornea that's the clear front window surface to the eye. Ortho K contact lenses is just a way of using a contact lens to mold or sculpt the front surface of the eye so that you can see better now. A French ophthalmologist of the name Eugene Kurt who noted that when he fit his patients with glass contact lenses and it pushed on the eye they could see better afterwards. Ortho K Lens These types of contact lenses are custom made and specifically designed to be worn while you sleep. While you wear your contact lens it shapes and molds the surface of your eye and the next morning when you take it off then you see clearly throughout the day. The reason of all this working is the front part of the cornea has cells called the epithelium  it's about 50 microns thick ans this contact lens will push on that central epithelium and basically squ...

Atleast 10 million people in India needs Low Vision assessments.  We have a larger proportion of people in the older age groups and this means a higher prevalence of visual impairment. How do we define Low Vision? Low vision is the eye problem in which normal spectacles or surgery or any other medical treatment has not improved the vision of the patient.  The affected person gets blurred vision for near or distance day to day activities; while reading, driving, and when writing.  Portable electronic reading magnifiers In other words people who are affected cannot be treated by spectacles, or surgeries or any other surgical treatment because of low vision. Low vision may be by birth, congenital , advanced glaucoma (tunnel vision). Normal vision Vs Tunnel Vision We define a person having when they find it hard to see things as clearly as they would like even though they may have had an eye examination and up-to-date glasses.  It includes people that may be severly si...