Have Questions about eye care? We will answer them
At Hopewell Lambertville Eye Associates in Hopewell, NJ, We want to make sure that you receive all of the information that you need to make educated decisions about your eye health. Our optometrists are always available to answer your questions.
Q. How do contact lenses correct vision?
A. To see clearly, light rays need to converge to form a focus point on the retina in your eye. If you are nearsighted, light rays focus in front of the retina, and if you are farsighted, light rays focus behind the retina. Contact lenses correct vision in the same way that glasses do, they focus light on the retina so that you can see images clearly. Because contacts rest directly on the eye, as opposed to glasses, the corrective portion of the lense can be much smaller.
Q. What are hybrid contact lenses?
A. SynergEyes hybrid contact lenses transform vision for patients with astigmatism, presbyopia and irregular cornea conditions.
Q. What is the best contact lense solution to use for my contacts?
A. I recommend Sauflon All in One Lite No Rub Formula for all of my patients who wear contact lenses. I have seen that the Sauflon formula works best for my patients with sensitive eyes and dry eyes. It provides excellent antimicrobial activity, as well as freedom from patient reactions, helps prevent lenses from drying out by the end of the day, and enhances lens comfort.
Q. What is low vision?
A. Low vision describes describes significant visual impairment that can't be corrected fully with glasses, contact lenses, medication or eye surgery.
Q. How is low vision treated?
A. A low vision specialist can evaluate the degree and type of vision loss you have, prescribe appropriate low vision aids such as lighted handheld magnifiers, digital desktop magnifiers and bioptic telescopes, and help you learn how to use them.
Q. Can vitamins really help my eyesight?
A. Research shows that it is important to make sure you get certain vitamins that are important for eye functions. In particular, it is important as your eyes age to make sure you eat well to protect your eyes from age related illness.
Q. Do you recommend that patients take supplements for eye health? And if so, which patients?
A. All patients can benefit from taking a good quality eye care supplement. I particularly recommend eye supplements to all my patients over 30 years of age.
Q. What is latisse?
A. Latisse is a medication that lengthens, thickens and darkens eyelashes. Latisse both extends the growth phase and increases the number of eyelashes that grow. You apply Latisse by dabbing it with an applicator along your top lash line every night. The drug spreads to your lower lashes automatically when you blink.
Q. What results can I expect from Latisse?
A. After two months of nightly use, you may begin to see results in longer and more lashes. If you stop using Latisse, your eyelashes will gradually return to their former state. After a 16-week study participant experienced a 25% increase in eyelash length, 106% increase in fullness of eyelashes and an 18% increase in eyelash darkness.
Q: How do allergies directly affect the eyes?
A: Chronic allergies may lead to permanent damage to the tissue of your eye and eyelids. If left untreated, it may even cause scarring of the conjunctiva, the membrane covering the inner eyelid that extends to the whites of the eyes. Ocular allergies can make contact lens wear almost impossible and are among the many causes of contact lens drop-out. Most common allergy medications will tend to dry out the eyes, and relying on nasal sprays containing corticosteroids can increase the pressure inside your eyes, causing other complications such as glaucoma.
Q: What are the common symptoms of OCULAR allergies?
A: Excessive tearing, frequent eye rubbing, constant irritation especially in the corners of your eyes closest to the nose, lid swelling or puffy eyes, and red or pink eyes are some of the most common ocular allergy symptoms.
Q: What is meant by the term allergic conjunctivitis? Is that the same as “pink eye”?
A: Allergic conjunctivitis is the clinical term for inflammation of the lining or membrane of the eye, called the conjunctiva, caused by allergic reactions to substances. Although a patient may present with red or pink eyes from excess inflammation, the common term "pink eye" can signify a broad range of conditions and can be misleading, as viruses, bacteria, fungi, and other irritating substances can cause redness resembling a "pink eye." Your eye doctor can differentiate between an allergy and a true infection, which can lead to faster healing with the right treatment.
Q: What is the difference between seasonal and perennial allergies? How would I know the difference?
A: Simply put, seasonal allergic conjunctivitis (SAC) is a more common and persistent form of ocular allergies that occurs during changes in season, which include outdoor weeds, grasses, and tree pollen. Whereas perennial allergic conjunctivitis (PAC) is a more mild and chronic presentation that occurs year-round from common indoor allergens, such as animal dander, molds, fungus, and even dust mites.
Q: I have seasonal allergies. How come my eyes are still itchy even after I take a Claritin pill?
A: You may need an anti-allergy eye drop to target the symptoms in the eye. Sometimes, oral antihistamine medications are not that effective at treating the ocular symptoms, especially within the first few days of treatment. In fact, many of them can cause dry eyes, which worsens eye discomfort. Depending on the severity of the symptoms, over-the-counter or prescription-strength eye drops can provide relief.
Q: Why does allergy season affect my eyes?
A: It’s that time of the year for allergies, and for those who suffer, it’s more than just sneezing. It can mean months of itchy, watery, and puffy eyes. Because many of the allergens are in the air, they easily get into the eyes and cause problems. For some people, a sudden case of red and watery eyes can feel like an infection when really, it’s just allergies. Eye allergies, known as “allergic conjunctivitis”, can often be treated with over the counter medication, but for some, it is not enough. Let us help you manage your allergies this season.
Q: How will I know if my child's amblyopia is getting better? Is it too late to help if the problem is detected after age 6?
A: Lazy eye will not go away on its own. We have what is called electrodiagnostic testing which can determine the effectiveness of amblyopia treatment without relying on the response of the child to "tell" us how well they are seeing. Oftentimes, parents worry that the eye exam is not accurate if their child is not old enough to read the chart or is uncooperative due to anxiety surrounding an eye exam. This test is non-invasive and fast (30 minutes) and can be done right here in our office for patients of all ages, starting in infancy. We can track over time how the therapy is working and the prognosis of their vision.
Q: What is Amblyopia?
A: Sometimes called Lazy eye, it is the underdevelopment of central vision in one or sometimes both eyes; it also prevents both eyes from working together.
Q: What exactly is astigmatism?
A: Astigmatism is usually caused by an irregularly shaped cornea, the front surface of the eye. Instead of being a perfect sphere, like a ball bearing or a marble, it can become a little more like a football, being more curved in one direction than the other. This brings light into focus at more than one point on the retina at the back of the eye, resulting in blurry or distorted vision.
Q: My previous eye doctor told me I have “stigma!” Am I going to go blind?
A: Stigma is actually referring to a type of refractive error known properly as astigmatism, and no, you will not go blind from having astigmatism; it is not a disease. In fact, this condition is relatively common. There are three types of refractive errors: myopia, hyperopia and astigmatism. The former two are also known to as nearsighted (cannot see far away) and farsighted (cannot see up close). Astigmatism is simply the third category; it can affect both the near and far vision. Much like nearsightedness or farsightedness, astigmatism is corrected using glasses or contacts. Technically speaking an eye with astigmatism requires two different prescriptions to correct vision in one eye, due to the more oval shape of the cornea. For contact lens wearers, this will require a more specialized contact lens and a more in-depth fitting procedure.
Q: I've heard that blue light is dangerous, like UV radiation. Do I need to protect my eyes from it and, if so, how?
A: We all know about ultraviolet (UV) sun damage, but recently, the optical community has found that high-energy visible light (HEV) or "blue light" from digital screens may cause long term damage to the eye, too. Over time, exposure can increase the risk of macular degeneration, and other problems. Similar to anti-reflective and UV-protective coatings, a new lens coating has been developed to protect our eyes by blocking out blue light rays coming from our handheld devices, computers and fluorescent bulbs.
Q: What is blue light and why is it dangerous?
A: Blue light is part of visible light and has a wavelength close to UV rays on the light spectrum. It is naturally produced by the sun, given off by fluorescent light bulbs, and emitted by LED screens on computer monitors, tablets, and smartphones. The eye's natural filters do not block blue light and chronic exposure may increase your risk for age-related macular degeneration. Evidence also shows that blue light exposure can lead to sleep problems.
Q: What age can you start wearing contact lenses?
A: There's no set age limit for contact lenses; whenever mom says it's okay, it's okay! Typically children start using contacts at age 12 or 13. Daily or 1-Day lenses are easier for children and teens because they require zero maintenance and are a safer option for younger wearers.
Q: Does reading my smartphone or tablet in the dark damage my eyes?
A: Reading from a tablet or smartphone in the dark is okay for your eyes, as long as it's not for a long period of time. These devices have decent lighting and good contrast. However, they give off blue light, and long-term exposure may cause damage to the structures of the eye. As well, studies have shown that blue light at night disrupts melatonin production and interferes with healthy sleep cycles. Optometrists recommend wearing blue light blocking eyewear for extended digital device use, and limiting screen time during the last hour before bedtime.
Q: What are multifocal lens implants?
A: Multifocal lens implants are often used in cataract surgery to reduce the dependency upon glasses for both distance and near vision after the surgery is completed. As with other medical technology, not everyone will be a good candidate for this type of surgical implant. Patients with corneal scarring or significant astigmatism, as well as surgical candidates with eye diseases such as diabetic retinopathy, glaucoma and macular degeneration, may not receive the full benefit from these lenses. Your eye care professional can help determine if this lens implant option is right for you.
Q: My doctor says I have a cataract, but he wants to wait a while before removing it. Why?
A: A cataract usually starts very small and practically unnoticeable, but grows gradually larger and cloudier. Your doctor is probably waiting until the cataract interferes significantly with your vision and your lifestyle. You need to continue to visit your eye doctor regularly so the cataract's progress can be monitored. Some cataracts never really reach the stage where they should be removed. If cataracts are interfering with your vision to the point where it is unsafe to drive, or doing everyday tasks is difficult, then it's time to discuss surgery with your eye doctor.
Q: What are cataracts and how can they be treated?
A: Cataracts are a clouding of the lens inside the eye. They are common with age, certain medications and medical conditions. Patients usually feel like they are looking through a dirty window, cannot see colors the way they used to or have increased difficulty with glare. Currently, the treatment is surgery to remove the cloudy lens. Stay tuned for medical advances in cataract treatment in the future!
Q: What are cataracts and what's the best treatment?
A: Cataracts occur when the natural lens of the eye, positioned just behind the pupil, changes from clear to cloudy. This causes increasingly blurry vision that a higher vision prescription cannot help. When the blurriness worsens to the point that it interferes with a person’s ability to read or drive, or otherwise hinders their lifestyle, the cloudy lens is surgically removed and replaced with a clear plastic one, restoring clear vision. These days, cataract surgery can take as little as 20 minutes, with little down-time and excellent outcomes.
Q: Can younger people get cataracts?
A: Yes, it's very rare but some people are born with cataracts, or acquire them early in life as a result of an injury or surgery. Some such cataracts don't affect vision, but the eye doctor may detect it during an eye exam. Occasionally a child does have a cataract that interferes with vision development and requires treatment.
Q: What are cataracts and how do they affect my vision?
A: A cataract is a gradual clouding of the crystalline lens located inside the eye, which causes decreased vision. Cataracts most commonly occur with aging, and are a normal part of the aging process. Other causes of cataract development include ocular trauma/surgery, radiation, smoking, systemic disease (metabolic and genetic conditions), and certain medications (particularly corticosteroids). Symptoms of cataract vision loss depend on the type, location, and severity of the cataract. Cataracts may cause gradually worsening blurry vision, halos around lights, poor night vision, prescription changes, and glare symptoms. A cataract is treated with outpatient surgery, in which the crystalline lens is removed and replaced with a clear lens implant. Surgery is typically done with local anesthesia, with minimal or no complications. Nearly all patients achieve improved vision and often do not require glasses post surgery. Cataract surgery is one of the safest and most common surgeries performed in the United States. Your optometrist will evaluate your eyes for cataracts at each comprehensive eye exam. Please let your optometrist know if you experience any of the above symptoms.
Q: Do I have to wait until my cataracts are "ripe" before I can have them removed?
A: No! Waiting for cataracts to get "ripe" refers to an outdated surgical technique. Today, we recommend cataract removal when your quality of vision interferes with your quality of life. It is possible to have 20/20 vision, yet be so disabled by glare from headlights or sunlight, that cataract surgery may be the right treatment. We will monitor your cataract progression and help you decide the proper timing of cataract surgery.
Q: What is a cataract? How will I know when I have one? What can be done to fix it?
A: A cataract is a clouding of the crystalline lens. The crystalline lens sits behind the iris, or the colored part of the eye. Its function is to fine tune our focusing system by changing shape as we view objects at different distances. Our lens eventually loses its ability to change shape; this is when we require reading glasses or bifocals. In addition, the crystalline lens can become cloudy or yellow as a part of normal aging. This is also known as an age-related cataract. Normal, age-related cataracts are unavoidable and everyone will develop them at some point if they live long enough. The discoloration of the lens leads to an overall blur, a decrease in contrast sensitivity, and a worsening of glare, especially at nighttime. Because they tend to develop gradually, the symptoms are often unnoticed by the patient. A yearly eye exam will allow your optometrist the opportunity to identify the cataracts and advise on how to proceed. When you and your optometrist determine that your cataracts are affecting your vision and are advanced enough to require removal, you will meet with an ophthalmologist. Cataract surgery is a safe and effective out-patient procedure that will reverse any vision loss caused by the cataracts; and it is usually covered by your medical insurance.
Q: My child saw 20/20 at their school physical. That's perfect vision for back to school, right?
A: Maybe! 20/20 only tells us what size letter can be seen 20 feet away. People with significant farsightedness or eye muscle imbalances may see "20/20", but experience enough visual strain to make reading difficult. Eighty percent of learning is visual so include a thorough eye exam in your child's Back-to-School list.
Q: What are monthly lenses?
A: Reusable contact lenses are replaced monthly (or bi-weekly), depending upon the type of lens. Monthly lenses are thicker and more durable than daily disposables, and they must be cleaned regularly to prolong their healthy use. They are available in a wide selection of fittings and prescriptions, and are typically more resistant to drying out than dailies.
Q: Why is my child having trouble reading and concentrating on schoolwork?
A: Your child may have an underlying refractive issue, such as farsightedness, nearsightedness or an astigmatism that maybe be causing blurred vision, making it hard for your child to concentrate and focus. There may also binocularity issues, which is how well the two eyes work together, or focusing issues that can affect a child's schoolwork. When working with your child, we will evaluate the visual system including binocular and accommodative systems to determine if his/her vision may be interfering with academic success.