Tuesday, April 14, 2020

Bionic Eyes, Lenses, & Mechanical Eye Implants – The Future Technology in Eyesight


There are nearly 40 million people who have blindness and another 124 million who have low vision problems. With so many afflicted with vision issues, it’s no wonder why innovators have been long pursuing ways to restore or even augment natural eyesight into a higher-performing, more efficient, or even super-human vision. This would only be accomplished with the development of a so-call bionic eye or bionic eye implants. 

The goal of bionic eye scientists is to develop technology that’s as effective for people with little to poor vision as cochlear implants have become for those who have hearing difficulties. However, bionic eye technology is still in its infancy when compared to audio implant technology for hearing disabilities. 


Bionic Eyes are Different than Prosthetic Eyes
A bionic eye is not the same as a prosthetic eye. Prosthetic eyes sometimes called “glass eyes,” replace the physical structure and appearance of an eye that has been removed because of an accident, disease, or traumatic event.

Bionic eyes are mechanical and computational devices meant to give vision to the brain acting as a surrogate eye. Bionic eye implants, however, work on the existing eye structure to help augment vision in the damaged or impaired eye. Bionic implants are designed to achieve vision functionality over aesthetics and cosmetic reasons.

Currently, retinal implants are the only approved available bionic eyes. However, cornea transplants and cataract surgery can replace the cornea and lens if these structures are clouded or are incapable of focusing light for other reasons. 


Limitations of Bionic Eyes
Although specific bionic eye systems enable people to discern light, movement, and shapes, this technology is still limited and cannot restore sight 100%. This is mainly because the current implant has only 60 electrodes, to mimic the sight of a human eye, you would need about a million electrodes. 


The Future of Bionic Eyes
Researchers are trying to add more functionalities by increasing the number of electrodes to produce a higher quality of eyesight within bionic devices. Future implants will most likely feature a more functional vision for people who are blind. It also may be possible that bionic eyes can produce some degree of color vision. The key to higher quality vision within bionic eyes is a device that bypasses the retina and stimulates the brain directly. Read more about bionic eyesight here.

Friday, April 10, 2020

Improving Your Vision after Cataract Surgery

Often, as a person continues to get older, health conditions may begin to show, including cataracts. This eye condition can affect more than half the population over the age of 80. The common reasons why cataracts develop are smoking, high blood sugar, large amounts of sun exposure, eye injuries, or retina surgery. 

No matter the cause, the typical symptoms will be blurry/cloudy vision. In some cases, a stronger prescription for eyeglasses can be a short-term solution; however, the best treatment available is laser eye surgery. This article describes the differences between artificial lens types that can be customized to your vision needs, helping you see better after cataract surgery.   

To answer your personal questions about cataract surgery, schedule a consultation with your trusted Lasik surgeon today!

Wednesday, April 1, 2020

What to Expect Before, During, and After LASIK Surgery

LASIK is the most common laser eye surgery to treat myopia (near-sightedness), hyperopia (far-sightedness), and astigmatism. If you are tired of wearing contacts or glasses, a simple consultation with a Lasik surgeon can determine if you are the right candidate for Lasik surgery. If, after an evaluation, it is determined that LASIK is not a good fit for you, know that there are other vision correction surgeries such as LASEK, PRK, and Phakic IOL surgery as possible options too.
In this article, we discuss the process a patient can experience before, during, and after LASIK surgery. Any detailed questions you may have should always be left for your trained medical professional to answer.

Before Surgery

Before receiving LASIK surgery, a comprehensive eye exam is needed to ensure that your eyes are healthy enough to move forward with the procedure. It is recommended to stop wearing contact lenses a few weeks before the eye exam and surgery since most can change the shape of the cornea. Patients should wear their eyeglasses instead.

During the exam, your doctor will look at the cornel shape, thickness, pupil size, refractive errors, and other eye conditions. This is a great time to bring up any questions or concerns that your doctor may be able to answer.

If everything goes well during the exam and you're comfortable with the next steps, it is time to prepare for surgery. Your doctor should ask you to stop using products such as creams, lotions, makeup, or perfumes since these items can cause a higher risk for infection during and after surgery. It is also important to arrange transportation to and from surgery.

During Surgery

For many, surgery is the most dreaded part. However, there is no need to fear, as it is painless and should take less than 30 minutes. Just before surgery, the patient will recline back to rest in a comfortable position. Next, numbing drops are placed into the eyes. The area around the eye will be cleaned and a lid speculum (a device that holds the eyelids open) will be used.
You will be asked to focus on a special fixation light while the surgeon activates a precision instrument electronically to cut a flap in the cornea. The laser treatment is then performed to reshape the cornea using techniques that vary depending on the type of refractive errors. The corneal flap is then repositioned, allowing for the eye to heal.

Post-Op Instructions

Once the surgery has been completed, the first sensation you may feel is itching or burning; however, this is only temporary discomfort and will resolve soon. A brief examination will be performed shortly after the procedure, and subsequently, you will be sent home, accompanied by your appointed driver.

Your vision may seem blurry or hazy at first, and you may feel that you want to rub or itch your eyes. You mustn’t touch your eyes during this recovery time as they are healing. Rubbing your eyes could cause the flap to dislodge, which could require further treatments. A shield is recommended to place over your eyes for protection from additional elements and light sensitivity.

A follow-up appointment with your doctor will be scheduled 24 to 48 hours after the initial surgery. Subsequent check-ups will also be planned throughout the next six months.

Rohr Eye & Laser Center offers the most advanced technology available to suit your lifestyle and visual needs.  As a leader in laser vision correction and cataract surgery, our goal is to help you achieve the best vision possible without glasses or contact lenses.  More information can be found online at https://michiganlasik.com.