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During cataract surgery, your eye surgeon will remove your eye’s cloudy natural lens. Then he or she will replace it with an artificial lens. This new lens is called an intraocular lens (or IOL). When you decide to have cataract surgery, your doctor will talk with you about IOLs and how they work.
People who have had cataract surgery may have their vision become hazy again years later. This is usually because the eye’s capsule has become cloudy. The capsule is the part of your eye that holds the IOL in place. Your ophthalmologist can use a laser to open the cloudy capsule and restore clear vision.This is called a capsulotomy.
Cataracts are a very common reason people lose vision, but they can be treated. You and your ophthalmologist should discuss your cataract symptoms. Together you can decide whether you are ready for cataract surgery.
Retinal detachment repair is eye surgery to place a retina back into its normal position. The retina is the light-sensitive tissue in the back of the eye. Detachment means that it has pulled away from the layers of tissue around it. This article describes the repair of rhegmatogenous retinal detachments
The most common treatment for refractive disorders are eyeglasses, contact lenses, or surgery. Eyeglasses are the most simple and safest way to correct refractive error issues. Your ophthalmologist Dr. Richard L. Deluca or an eye doctor can prescribe precise lens dimensions in your eyeglasses to change the refracted focal point and place it directly on your retina to provide you with optimal vision clarity.
Contact lenses actually refract or bend the light before it reaches the lens and cornea, creating a more precise focus or refraction. People who wear contacts often experience a wider field of vision and clearer vision than people who wear eyeglasses. Contacts are effective and safe as long as they’re fitted properly and you take care of the contact lenses properly. It’s extremely important to follow the instructions and guidelines to wash your hands and clean your lenses to avoid infection. There are some eye conditions that prohibit the use of contacts. Ask your eye care professional to determine if you have any of these issues.
Refractive surgery is an option to permanently change the shape of your cornea. The improved shape of your cornea restores the focusing ability of your eye by permitting the light rays to correctly focus on your retina. Ask your ophthalmologist if refractive surgery is an appropriate option for you.
If you are having any abnormal visual symptoms, you should always be evaluated with a thorough consultation and examination by a physician for an accurate diagnosis and treatment plan as it may be a symptom or sign of a serious illness or condition.
Retinal holes or tears can be treated with laser therapy or cryotherapy (freezing the retina or cryopexy) to prevent their progression to a full-scale detachment. ... Three types of eye surgery are done for actual retinal detachment: vitrectomy, scleral buckling, and pneumatic retinopexy
Diabetic retinopathy is treated in many ways depending on the stage of the disease and the specific problem that requires attention. The retinal surgeon relies on several tests to monitor the progression of the disease and to make decisions for the appropriate treatment. These include: fluorescein angiography, retinal photography, and ultrasound imaging of the eye.
For most people with occasional or mild dry eye symptoms, it's enough to regularly use over-the-counter eyedrops (artificial tears). If your symptoms are persistent and more serious, you have other options. What you do depends on what's causing your dry eyes. Some treatments focus on reversing or managing a condition or factor that's causing your dry eyes. Other treatments can improve your tear quality or stop your tears from quickly draining away from your eyes.
Glaucoma can be treated with eye drops, pills, laser surgery, traditional surgery or a combination of these methods. The goal of any treatment is to prevent loss of vision, as vision loss from glaucoma is irreversible. The good news is that glaucoma can be managed if detected early, and that with medical and/or surgical treatment, most people with glaucoma will not lose their sight.
Taking medications regularly, as prescribed, is crucial to preventing vision-threatening damage. That is why it is important for you to discuss side effects with your doctor. While every drug has some potential side effects, it is important to note that many patients experience no side effects at all. You and your doctor need to work as a team in the battle against glaucoma. Your doctor has many options. They include:
An eye examination is a series of tests performed by an ophthalmologist (medical doctor), optometrist, or orthoptist assessing vision and ability to focus on and discern objects, as well as other tests and examinations pertaining to the eyes. Health care professionals often recommend that all people should have periodic and thorough eye examinations as part of routine primary care, especially since many eye diseases are asymptomatic.
Eye examinations may detect potentially treatable blinding eye diseases, ocular manifestations of systemic disease, or signs of tumours or other anomalies of the brain.
Ideally, the eye examination consists of an external examination, followed by specific tests for visual acuity, pupil function, extraocular muscle motility, visual fields, intraocular pressure and ophthalmoscopy through a dilated pupil.
Phacoemulsification cataract surgery is a procedure in which an ultrasonic device is used to break up and then remove a cloudy lens, or cataract, from the eye to improve vision. The insertion of an intraocular lens (IOL) usually immediately follows phacoemulsification.
Phacoemulsification, or phaco, as surgeons refer to it, is used to restore vision in patients whose vision has become cloudy from cataracts. In the first stages of a cataract, people may notice only a slight cloudiness as it affects only a small part of the lens, the part of the eye that focuses light on the retina. As the cataract grows, it blocks more light and vision becomes cloudier.
Microincision cataract surgery (MICS) is an approach to cataract surgery through incision less than 1.8 mm with the purpose of reducing surgical invasiveness, improving at the same time surgical outcomes. The main confirmed advantages of MICS are the control and avoidance of surgically induced corneal astigmatism and the decrease of postoperative corneal aberrations. MICS has been demonstrated to be minimally traumatic surgery, providing better postoperative outcomes than standard small incision phacoemulsification. High degree of surgical innovation, use of advanced phacoemulsification surgical platforms with pressurized fluidic control and new surgical instrumentation, allow doing very sophisticated cataract surgery. MICS favors the use of fluidics, reducing the use of phacoemulsification power. Bimanuality provides opportunity to do manipulation in anterior chamber area easily and much more comfortably than with standard coaxial technique. Today, surgery is performed through 1 mm incision. The use of the modern MICS intraocular lens (IOL) requires incisions of 1.8 mm.
An Automated computerized perimeter must be able to determine threshold sensitivity at multiple points in the visual field, to perform an adequate test in a reasonable amount of time, and to present results in a comprehensible form. The objective perimeter should provide valid, reliable information describing visual sensitivity from an adequate sample of locations, obtained over a reasonable time period. The intensity of the stimulus is varied by a system of filters that attenuate the stimulus, usually allowing measurement to approximately 1 dB.
Automated static perimeters have traditionally used staircase algorithms, which produce more reliable and efficient threshold estimates compared with previous psychophysical test strategies.
An Automated computerized perimeter must be able to determine threshold sensitivity at multiple points in the visual field, to perform an adequate test in a reasonable amount of time, and to present results in a comprehensible form. The objective perimeter should provide valid, reliable information describing visual sensitivity from an adequate sample of locations, obtained over a reasonable time period. The intensity of the stimulus is varied by a system of filters that attenuate the stimulus, usually allowing measurement to approximately 1 dB.
Automated static perimeters have traditionally used staircase algorithms, which produce more reliable and efficient threshold estimates compared with previous psychophysical test strategies.
A corneal transplant consists of replacing the central full thickness of the diseased cornea with healthy donor tissue. Corneal transplants have been actively performed for more than 50 years. The procedure is usually done in patients with advanced keratoconus or where scarring or disease has resulted in the loss of transparency of the cornea, and hence loss of vision. Also known as a penetrating keratoplasty (PKP), the central portion of the damaged cornea is removed with a special round blade called a trephine, which works similarly to a cookie cutter. A donor cornea that has been extensively tested by an eye bank is then carefully sewn into place with sutures that are thinner than a human hair. The sutures can remain in place for up to a year.