Eye Health Medical Reference
- What Is Geographic Atrophy?
Find out more about age-related macular degeneration and learn how it causes a condition called geographic atrophy. As GA can lead to irreversible vision loss, it’s best treated as early as possible.
- What Is Cystoid Macular Edema?
Are you wondering: What is cystoid macular edema? What causes it, and what are the treatment plans for it? Read on for answers to those questions and more.
- What Is Coats’ Disease?
Learn about Coats' disease. Discover the causes, symptoms, and treatments for this rare eye condition.
- What Is Bullous Keratopathy?
Bullous keratopathy is when the cornea of the eye becomes swollen. Learn about the causes, symptoms, and treatment options for this condition today.
- What Is Visual Snow Syndrome?
Find out what you need to know about visual snow syndrome, its usual symptoms, and why it can be hard to treat.
- What Is a Peters Anomaly?
Find out what you should know if your child is diagnosed with Peters anomaly, a rare eye condition.
- What Is Orthokeratology?
Are you visually impaired? Are you tired of wearing glasses and contact lenses all the time? Find out more about orthokeratology as a method of correcting vision.
- What Is Optic Nerve Hypoplasia?
Optic nerve hypoplasia occurs when the optic nerve is underdeveloped. Learn more about this illness, including what to look for, what to expect, and more.
- What Is Optic Atrophy?
Optic atrophy involves vision loss due to damage affecting the optic nerve. Learn more about what causes it, what to expect, and more.
- What Is Leukocoria?
Find out what you need to know about leukocoria. Discover what causes it and how it may affect your health.
- What is Lattice Degeneration?
Lattice degeneration is a thinning of the retina that can affect your eyes. Learn about the causes, symptoms, and treatment options for this condition today.
- What Is Central Serous Retinopathy?
Do you have vision problems and heard that you might have Central Serous Retinopathy? Read on to learn about potential causes, symptoms, treatment plans, and more.
- What Is Canthoplasty?
Canthoplasty is a surgical procedure used to tighten saggy eyelids. Learn more about how it works, the benefits, and the risks.
- What Is a Coloboma?
A coloboma is when tissue is missing from the eye. Learn about the causes, symptoms, and treatment options for this condition today.
- What Is a Vitreous Hemorrhage?
Vitreous hemorrhage is blood in the eye's vitreous cavity. Learn about the causes and treatment of this condition that reduces vision and can cause blindness.
- How to Pick the Right Glasses for Your Face Shape
If you’re in the market for a new pair of glasses, you might be wondering how to pick the right glasses for your face shape. Learn more here.
- How to Pick Prescription Sunglasses
Do you wear glasses and struggle going out in the sun? Then you might want to consider buying prescription sunglasses. Read our guide to learn all about them!
- What to Know About Magnifiers for Low Vision
What are magnifiers for low vision? Magnification devices can help you see better if you have low vision.
- What Is the Amsler Grid?
Discover what the Amsler grid is. Learn how to use an Amsler grid to detect age-related macular degeneration.
- What to Know About Driving With Bioptic Lenses
If you have less-than-perfect vision but still want to drive, you can do so by using bioptic lenses. Learn more about what they are and how they help you drive.
- What Is Pupillary Distance?
Pupillary distance measures the distance between the center of your eyes. Learn more about this and how to measure your pupillary distance for your glasses.
- What Are Aspheric Lenses?
Aspheric lenses are thinner, flatter lenses for glasses. Learn about how they work and the pros and cons of wearing aspheric lenses.
- What's the Difference Between Vision Screening and an Eye Exam?
Find out the differences between vision screening and an eye examination. Learn the procedure, benefits, and why they're essential for eye and vision health.
- What to Know About Lighting for Low Vision
Learn about lighting for low vision in your living and working spaces. Consider the color temperature and brightness of your lights as a start.
- What Is a Low Vision Exam?
A low vision exam is where your doctor tests how your vision loss affects your daily life. Learn about the purpose and results of this test today.
- What Are Photochromic Lenses?
Learn about photochromic lenses. Discover how these lenses work, what they’re made from, and if they’re right for you.
- What to Know About Scleral Contact Lenses
Find out what you need to know about scleral contact lenses. Learn about their advantages and disadvantages and how to use them safely.
- What to Know About Canes for the Blind
Discover the different types of canes that can benefit people who are blind or have low vision. Learn some tips for selecting and using the cane that's best for you.
- What Is SMILE Eye Surgery?
SMILE surgery corrects your vision and may enable you to see without glasses or contact lenses. Learn about the advantages and risks of this eye procedure.
- What Are Prism Lenses?
Double vision (diplopia) is deeply disturbing and hampers your daily activities. Learn about prism lenses and how they can help if you're seeing double.
- What is Anisocoria?
Anisocoria is when the pupils of your eyes are unequal in size. Learn about the causes, dangers, and treatment of this condition.
- What Are Double Eyelids?
Double eyelids and monolids, or single lids, are two different shapes of the eyelid. When, though, is surgery to change your eyelid shape necessary?
- What Are Contrast Sensitivity Issues With Vision?
Contrast sensitivity is an important part of healthy vision and is needed for daily tasks. Learn about the causes, symptoms, and diagnosis of contrast sensitivity loss.
- What to Know About Computers for the Visually Impaired
What to know about computers for the visually impaired: how accessible computers work, how to choose one, and where you can find one.
- What to Know About Guide Dogs for Vision Loss
Learn more about guide dogs, how they're trained, and how to get one.
- How to Stay Organized at Home if You Have Vision Loss
Find out how to keep your home organized and safe if you have vision loss.
- What Is Charles Bonnet Syndrome?
Learn about Charles Bonnet syndrome, including causes, symptoms, treatment options, and more.
- Specialized Testing for Inherited Retinal Dystrophies
Diagnosing inherited retinal disease is a long process. Learn what tests you’ll need and how they can help you plan your next steps.
- What to Know About Implantable Collamer Lens (ICL) Surgery?
ICL surgery is a procedure that implants contact lenses and is an alternative to Lasik. Learn more about the risks and benefits of the procedure.
- What to Know About Sixth Nerve Palsy
Find out what you need to know about sixth nerve palsy cramps and learn about its causes, symptoms, and treatment.
- What Is Endophthalmitis?
Endophthalmitis is when the tissues of your eyes get infected due to a foreign object. Learn about its causes, symptoms, diagnosis, treatment, and prevention.
- What Is Asteroid Hyalosis?
Learn about asteroid hyalosis, a typically benign eye condition.
- What Is Esotropia?
Esotropia is an eye condition that causes one or both eyes to turn inward. Learn more about this condition, what causes it, how to treat it, and when to see your doctor.
- Battling Dry Eyes in Cold Weather
Cold weather can be your enemy if you have dry eye disease, but these simple steps can help you preserve eye moisture and stay comfortable
- What Is Eyelid Ectropion?
Eyelid ectropion occurs when your eyelid muscles weaken and pull away from your eye. Learn more about this condition, the causes, symptoms, and possible treatments.
- Inherited Retinal Diseases
Several rare diseases make up the condition known as inherited retinal dystrophy. Learn about their causes, symptoms, and treatments.
- What Are Roth Spots?
A Roth spot is a hemorrhage in the retina. Learn more about its causes, symptoms, and treatment options.
- What Are Retinal Drusen?
Learn what retinal drusen are, what causes them, symptoms, treatment options, and more.
- What Is Acuity of Vision?
Visual acuity is the clarity of vision when measured at a distance of 20 feet. Learn more about what it means, how it's tested, and more.
- What to Know About Depth Perception
Depth perception is how your eyes produce 3D images. Learn about how your eyesight works to focus and make images appear correctly today.