You may have noticed that some babies are born with some kind of eye abnormality. Sometimes one or both eyes are smaller than normal, or in rare cases, the eyes may not be set properly. It is normal for a parent to feel very worried when they see these conditions. So today we will talk about these conditions called `(Microphthalmia)` and `(Anophthalmia)`.
What are `(Microphthalmia)` and `(Anophthalmia)`?
Simply put, both of these conditions are congenital (present at birth). This means that they occur because of a problem with the development of the eyes while the baby is still in the womb. Some people also call these "birth defects of the eyes."
Microphthalmia: This is when one or both of the baby's eyes do not develop properly, making them smaller than normal. The parts inside the eye may also be misshapen due to improper development.
- If it affects both sides (`Bilateral microphthalmia`): This means that this condition affects both eyes.
- If it affects only one side (`Unilateral microphthalmia`): This means that this condition only affects one eye.
Some people also call this "small eye syndrome".
`(Anophthalmia)`: This is when one or both of the baby's eyes fail to develop at all . This means that the eyes are not formed.
- If it affects both sides (`Bilateral anophthalmia`): Both eyes are not in place.
- If it affects only one side (`Unilateral anophthalmia`): One eye is not in place.
How common are these conditions?
These are actually quite rare conditions. According to some reports, even in a country like America, these conditions (Anophthalmia and Microphthalmia) occur in about one in 5,200 babies born each year. Some reports even say it is one in 10,000. That means, not every baby develops this.
What are the symptoms of these conditions?
When a doctor examines the baby thoroughly after birth, especially when examining the eyes, they can tell whether or not this condition is present.
The main thing is reduced vision or complete loss of vision . Along with these eye conditions, additional eye diseases and other health problems can also occur.
Some other possible eye problems include:
- Cataracts: In this, a clouding of the lens inside the eye occurs, causing blurred vision and loss of color vision.
- Coloboma: This is a loss of tissue inside the eye. Most often, this occurs in the iris, the colored part of the eye. A person with a coloboma may have an abnormally shaped pupil because there is a cut in the iris.
- Microcornea: This is a condition in which the cornea, the transparent part of the front of the eye, is very small. If you have this, your cornea will not even reach 10 millimeters in diameter, even if you are an adult.
- Detached retina: This is a serious condition that can lead to blindness. The retina, the layer of tissue at the back of the eye that helps us see, separates from the supporting tissue. The retina is what sends signals to the brain about what we see.
- Drooping eyelid (`Ptosis` or `Pseudoptosis`): `(Ptosis)` is when the eyelid droops down. It is related to muscles and nerves. `(Pseudoptosis)` can look similar to `(Ptosis)`, because the eyelid also droops. However, it is not caused by nerves or muscles, but by the eyeball not developing properly.
What are the causes of `(Microphthalmia)` and `(Anophthalmia)`?
Researchers still don't know exactly what causes these conditions. Some babies are born with these conditions because of genetic changes. Researchers believe that changes in genes and chromosomes, along with environmental factors, can cause these conditions, which are present at birth.
There are several other factors that can affect these eye conditions:
- Use of certain medications during pregnancy: For example, Isotretinoin (also known as Accutane®) for acne, or Thalidomide for cancer and certain skin diseases.
- Exposure to X-rays or other radiation during pregnancy.
- Exposure to chemicals during pregnancy: For example, some medications and pesticides.
- Exposure to certain infections during pregnancy: For example, infections like German measles (Rubella) and Toxoplasmosis.
- Maternal vitamin A deficiency.
The important thing is that even though these reasons exist, not everyone will experience these conditions. Also, these conditions can occur without any of these reasons.
How do doctors diagnose these conditions?
In the case of a newborn baby, a doctor can diagnose these conditions by examining the baby. However, there are ways to diagnose these conditions during pregnancy as well.
Tests that can detect these conditions before the baby is born are:
- Ultrasound: This uses high-frequency sound waves to create images. However, an ultrasound performed while the baby is still in the womb may not always detect the condition.
- Fetal MRI: (MRI) stands for Magnetic Resonance Imaging. This is a specialized imaging test. It can be useful in identifying potential complications and problems that may arise during the birth of the baby.
- Genetic testing: For example, tests like the Quad marker screening test. The Quad screen is a blood test done between 15 and 20 weeks of pregnancy. This can provide some information about the baby's genetic conditions.
What are the treatments for `(Microphthalmia)` and `(Anophthalmia)`?
Unfortunately, medical science currently has no way to give babies born with these conditions a new eye. However, there are treatments that can help them live with these conditions.
- Conformers: These are devices that are placed in the eye socket. They help the eye socket and facial parts develop normally. As the baby's face grows, these devices will need to be larger.
- Prosthetic eyes: These are artificial eyes that are placed in empty eye sockets. These also help with eye socket and facial growth. They also help with appearance problems.
- Surgery: Surgery may be necessary to treat conditions such as cataracts, coloboma, or to properly fit conformers.
- Services that help the child and family cope with vision loss or blindness: These include teachers who teach children with visual impairments, low vision therapists, and low vision specialists. These early intervention services help the child learn to walk, talk, and interact with others. They also help the family work together to improve the child's life.
- Glasses or Contacts: Sometimes, the eye with Microphthalmia may have some vision. In such cases, corrective lenses may be needed to treat conditions such as Amblyopia (also known as lazy eye). If you only have vision in one eye , it is important to wear protective glasses . Depending on which parts of the eye are affected by Microphthalmia, you may be able to see clearly with corrective lenses.
How can I reduce this risk?
There is no way to completely eliminate the risk of microphthalmia and anophthalmia. However, there are things you can do to make your pregnancy safer :
- See a doctor before you get pregnant: Work together to stay as healthy as possible before you get pregnant and during your pregnancy. During this conversation, you can also discuss what vaccinations you need to complete before getting pregnant.
- Start and continue prenatal care early and properly: Don't miss your doctor's appointments, even if you feel fine.
- Talk to your doctor about the medications and other products you are taking: Make sure they are safe for a healthy pregnancy. This includes any medications your doctor has prescribed, as well as any vitamins or supplements you are taking. If you are taking Isotretinoin or Thalidomide, be sure to tell your doctor .
- After discussing your medical history and family medical history, your doctor may suggest genetic testing before you become pregnant.
- Stay away from harmful chemicals.
If I have `(Microphthalmia)` or `(Anophthalmia)`, what should I expect?
There is no complete cure for the conditions `(Microphthalmia)` and `(Anophthalmia). The important thing is how to manage and live with these conditions and the other problems that may arise with them.
When should I see my doctor?
If you or your child has `(Microphthalmia)` or `(Anophthalmia),` it is very important to seek the help of a specialist medical team . In addition to a general pediatrician or internist, someone with these conditions will often need the services of:
- Ophthalmologist: A doctor who diagnoses and treats eye diseases and vision problems.
- Ocularist: A person who can make and fit devices such as artificial eyes and conformers.
- Oculoplastic surgeon: A surgeon who has received special training in the eyes, the orbits, and the bones that make them up.
It's a good idea to include all of these on your (or your child's) medical team, as well as specialists who can help with other needs.
What other conditions can be associated with `(Microphthalmia)` and `(Anophthalmia)`?
Microphthalmia and anophthalmia can occur together with other medical conditions present at birth. For example, deformities of the limbs (such as polydactyly), facial and oral deformities (such as cleft lip and palate), and intellectual challenges.
Also, conditions called `(Anophthalmia)` and `(Microphthalmia)` can occur as part of certain congenital syndromes. Some examples are:
- Aicardi syndrome: This is a very rare condition. It can cause some body parts to be missing at birth. People with this condition can have health problems throughout their lives, such as seizures and developmental delays.
- CHARGE syndrome: This is also a rare disease. It affects many parts of the body, including the eyes and heart.
- SOX2 anophthalmia syndrome: In addition to missing or having small eyes, people with this syndrome can have seizures and brain problems.
- Lenz microphthalmia syndrome: In addition to small eyes, people with this syndrome may experience uncontrolled eye movements, learning problems, and problems with the skeletal system and urinary system.
When you are pregnant, you may feel very anxious when you find out that your baby may have either `(Microphthalmia)` or `(Anophthalmia)`. This is normal. Talking to your medical team can help you develop strategies to help manage these conditions. There are ``early intervention services`` to help your child learn, and there are even ``support groups`` to help your family and your child succeed.
Important things to remember (Take-Home Message)
Okay, so let's summarize some of the things you need to remember from what we've talked about:
- Microphthalmia is when one or both eyes are smaller than normal. Anophthalmia is when one or both eyes are absent. These are conditions that are present at birth .
- Although the exact cause of this is not known, genetic and environmental factors may play a role.
- These can be detected early through tests such as ultrasound and fetal MRI during pregnancy.
- While new eyes cannot be replaced, we can help people live well with these conditions through ``Conformers'', ``Prosthetic eyes'', surgery, and specialist support services .
- Staying healthy during pregnancy and following medical advice can help reduce the risk of these conditions to some extent.
- If you or your child has this condition, don't panic . With the support of a specialist medical team, the love of family, and proper management, your child can live a good life.
I hope this information is helpful to you. If you have any further questions, be sure to talk to your doctor.
` microphthalmia, anophthalmia, congenital eye conditions, small eyes, absent eyes, birth defects, pediatric ophthalmology
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