Wednesday, 17 September 2014

Implanted Sensors to Diagnose Glaucoma


Implanted Sensors
Scientists have discovered a way to examine glaucoma by means of a tiny machine implanted in the eye. The analysis from the machine could be checked by a Smartphone. This expertise could assist in preventing some people from becoming blind. They have prepared a low-power sensor, which could be placed everlastingly in an individual’s eye to follow hard-to-measure alterations in eye pressure. This sensor would be implanted with a non-natural lens t the time of cataract surgical procedure and would identify pressure changes right away, then convey the data wirelessly by means of radio frequency waves.

What is Glaucoma? 

Glaucoma expresses a number of eye ailments in which there is great harm to the optic nerve. This optic nerve attaches the retina with the brain, and therefore any injury to it causes an individual to defect peripheral vision.

Ability of implanted sensor to detect the disease

The little sensor, just a few millimeters in length, is put in synthetic lens and these are utilized to replace the original lenses that patients with cataracts have. The manner the sensor works is as a tiny barometer. Pressure results the fluid within the sensor to shift. The progress of the fluid can be followed through a Smartphone camera that has a particular optical adapter.

A thin, round antenna covers the perimeter of the machine – approximately tracing a patient’s iris – and controls sufficient energy from the nearby field to regulate a little pressure sensor chip. This chip corresponds with a close-by receiver concerning any shifts in regularity, which indicate an alteration in pressure.

There are some restrictions still. Their perfect results are on the basis of the studies madein animal eyes. Moreover, how much time the appliance may endure is not however clear. If incessant monitoring is required, it should be competent to last for some years. Furthermore, itwill only be appropriate for some types of glaucoma.

One more challenge is that of inserting the mechanism in humans. It is suggested that the tool will take credit on an intraocular lens that is typically implanted in usual cataract surgery. It is a simple process that some patients having glaucoma and also cataract previously undergo.

It has been recommended that, since the lens within the eye plays a key role in the devices leading to one type of glaucoma, then advance lens extraction will prevent glaucoma disease in some sorts of glaucoma. This system is undergoing a test in humans, and could heighten study on implantable sensors.

However, if ophthalmologists could put in a pressure monitoring arrangement in the eye with one artificial lens in cataract surgery – now a general procedure done on 3 million or 4 million public each year to eliminate blurry image or glare resulted by a unclear lens, which could prevent patients from another surgery and basically help their substitution lens “smarter” and also functional. The accomplishment of the monitoring tool has to be well-fitted clinically and should be designed to be easy and consistent. Every doctor who does cataract surgeries should be able to utilize this.

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