What you need to know about aqueous tear deficient dry eye disease

 

What is aqueous tear deficient dry eye disease?

Your tears do much more than indicate that you are crying. They have other functions. The tear glands supply your eyes with the tears required to keep them moist. Each time you blink, they supply the tears needed. Those tears keep your eyes moist, clean, and healthy. If your tear glands stop this supply for any reason, it can lead to the condition called aqueous tear deficient dry eye disease. This condition usually comes with vision problems, redness of the eyes, and eye discomfort or pain.

Causes of aqueous tear deficient dry eye disease

Many factors can cause or contribute to aqueous deficient dry eye disease but the two most common ones include Sjogren’s syndrome and advanced age. 

Sjogren’s syndrome

Sjogren's syndrome is a disease that attacks both tear glands and saliva glands. Tear glands … Read more

Top Methods Used To Test Your Eye Pressure And Why It Is Important

Testing your eye pressure, also known as intraocular pressure or IOP, is an integral part of a comprehensive eye exam and a primary reason to see your optometrist regularly. Frequency of eye examinations can vary depending on each patients. Patients diagnosed with Glaucoma for example will require a closer monitor and more frequent visits than patients who are being monitored due to family history.

Commonly used methods to test eye pressure:

• Goldmann applanation tonometry

testing_eye_pressure

Goldmann applanation tonometry is one of the most accurate techniques used to check the eye pressure. It is still the gold standard for measureing intraocular pressure (IOP) in glaucoma patients. This technique examines your eye pressure by determining the amount of force required to flatten a corneal surface area. Optometrists using this method to test eye pressure use a tonometer that consists of a tonometer arm, contact prism, contact probe, … Read more

Keratoconus treatment with scleral lenses

What is Keratoconus and how it can be corrected with scleral lenses?

Keratoconus is a corneal disorder that is mainly characterized by the thinning of the irregular cornea. It is believed to be caused by a combination of factors such as genetics, hormonal and environmental factors. Keratoconus may result in blurry vision, nearsightedness, double vision, light sensitivity as well as severe astigmatism.

While the condition can be corrected during its initial stages, the damage may become permanent if the cornea degradation continues. As a result, patients with who might experience early symptoms are advised to see an optometrist for a full ocular health assessment. In many cases, the condition can be corrected with scleral gas permeable (GP) lenses.

What are gas permeable scleral lenses?

They are large diameter lenses that rest over the sclera and vault the cornea entirely. Unlike conventional contact lenses which rest … Read more

What is astigmatism and how to correct it?

What is astigmatism? 

 Astigmatism is a refractive error that is quite common for both children and adults. It is a condition in which the eye fails to focus light onto the retina evenly. Astigmatism arises when the light that strikes the cornea is bent differently. It is because the shape of the cornea or crystalline lens is irregular as opposed to the typical spherical shape.  Simply, the eye is not perfectly spherical. Astigmatism correction is done using special spectacle lenses or contact lenses.

A comprehensive eye exam by an optometrist is undertaken by patients who might suspect astigmatism.  The optometrist will provide glasses or contact lenses prescription if necessary at the conclusion of the eye exam. 

Astigmatism results in a blurred or distorted vision to some degree. Common symptoms associated with astigmatism include headaches, eyestrains, and squinting. Some patients having slight astigmatism will fail to notice … Read more

Optometrist: Primary Eye Car provider

Optometrist: Primary Eye Car provider

 

The roles of optometrists in primary eye care goes beyond the testing of vision and prescribing spectacles and contact lenses. In this blog, we'll highlight some of the work optometrists are involved in.

Optometrists are often the first point of contact for patients with vision problems. They also receive referrals from the patient’s family doctor. A patient who has a condition that affects sight will be referred by the primary doctor to the optometrist for further tests and treatment.

eye exam, optometrist

Medical ocular diagnosis and treatment:

 

Optometrist are primary eyecare doctors. Monitoring the retina for diabetic complications, treating and managing dry eye disease and other chronic conditions, and removing foreign bodies from the eye are some of the many conditions patients see optometrist for.

What is the role of the optometrists in management of diabetes?

 

Diseases like glaucoma and … Read more

Anti-reflective coatings and other lens treatment options

what are lens treatment options?

More often than not, the final step in the creation of a pair of glasses is applying lens treatment. This step can sometimes be opted out of, usually due to cost. When purchasing lenses for your eyeglasses prescription, you should be educated on the available coating options and which ones might be best suited for your prescription. 

There is a multitude of treatments available for prescription lenses; all applied during the manufacturing process. The most common one is the Anti-Reflection Treatment (or AR), which cuts glare from highlights – a feature which is very useful in some instances, especially when driving. This treatment also improves clarity and comfort. Other common lens coatings are photochromic (changing tint with protection against UV rays), polarized (enhances contrast and visual clarity, also reduces glare), scratch-resistance, or mirroring. Also, a patient can also opt for … Read more

Dry Eye Disease: What is it and how to treat it?

Dry Eye is one of the most common eye-related conditions of 2017.  It is a direct side effect of our fondness for screens – since nowadays most of our lives are spent on a phone, computer or tablet. Dry eyes are also much more common than one might think: around 48% of Americans over the age of 18 experience dry eyes regularly. That being said, the condition should naturally receive more attention. The questions are simple: why does it appear? What are its symptoms? How do we treat it?

dry eye disease

Dry eye syndrome is a straightforward condition to understand. Simply put, when a person’s tears cannot sufficiently hydrate an eye, they will dry out quicker than usual. This will lead to a wide range of symptoms, and the underlying condition is both chronic and progressive. Its progress can quickly be stopped through treatment, resulting in higher … Read more

Advanced Technology in Eye Examinations and ongoing eye care

Advanced Technology in Eye Examinations

 

Rapid advancements in technology have provided new innovative solutions to the eye exam delivery. There are innovations and tools which enhance the way optometrists diagnose, treat and control eye-related complications. The new methods are replacing some of the old methods due to their high efficiency and efficacy.  Today, optometrists are able to get a more detailed, more profound and accurate view of eye’s internal structures than ever before. The new technology era brings in a brilliant, meaningful solution which enhances the precision in ocular  and vision care. Here are some of the new tools that have become an integral part of our diagnostic arsenal in the eye care field :

Corneal Topography

 

Photokeratoscopy or videokeratography is an Eye Exam technique which looks at the way the surface of the cornea seems to appear. The cornea contributes to nearly … Read more

Four Things to Know About Digital ophthalmic Lenses

Digital ophthalmic lenses

 

Are you suffering from Eye Strain? Have you been experiencing blurred vision, tired eyes, dry eyes and even neck strain?

We live in a tech-focused world, where smartphones, tablets, PCs, and laptop computers are an integral part of our lives. According to a 2016 report by Nielson Company, adults in America spend up to 10 hours each day on digital devices. This puts an unnatural strain on our eyes. This strain and its consequences are now being referred to by doctors as Digital Eye Strain. So what is the solution to this troublesome condition? Enter digital lenses.

Vision Over 40 | Adult Eye Exams in Toronto, Ontario

 1. Biggest Improvement in Eyewear in many decays

High definition lenses also known as digital lenses have been referred to by many opticians and Optometrists as the biggest improvement in eyewear in 100 years. In the last 100 years, lens material moved from glass … Read more

What is iritis?

Did you know that uveitis is believed to be the cause of up to 10% of reported cases of legal blindness? This is according to an epidemiology research - Incidence and Prevalence of Uveitis Results From the Pacific Ocular Inflammation Study -published in 2013.

What is uveitis?

Uveitis is an inflammation of the uveal tract; the anatomy featuring the iris, choroid and ciliary body. It's actually a collective name for more than 30 conditions. These forms have different origins but in most cases it's due to an auto-inflammatory response. Iritis (or anterior uveitis) is the subject of interest here.

iritis

Iritis (anterior uveitis) as the name suggests is the inflammation of the iris and the ciliary body. It's characterized by redness of the eye (varying in degree), sensitivity to light, blurred vision and tearing.

What causes iritis?

There are many causes of iritis. For example, it … Read more