Congenital Cataracts
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What are congenital cataracts?
A relatively rare condition, congenital cataracts are a type of eye disorder that can affect infants and children.
While they can be present at birth, they may also develop in the first few months or years of life.
Cataracts occur when the normally clear lens of the eye becomes cloudy or opaque, causing vision problems.
Congenital cataracts affect infants and children — either present at birth or develop shortly afterwards, typically within the first few months or years of life.
Congenital cataracts affect approximately around 3 to 4 in every 10,000 babies in the UK.
The causes of congenital cataracts can vary, but they are often due to genetic mutations that affect the development of the lens during pregnancy. Other possible causes include infections during pregnancy, such as rubella or metabolic disorders. In some cases, the cause of congenital cataracts may be unknown.
Types of congenital cataracts
There are two main types of congenital cataracts: syndromic and non-syndromic.
Management of the two types can differ. In syndromic cases, cataracts may be part of a larger collection of symptoms that require a more comprehensive management approach. In non-syndromic cases, the focus may be on managing cataracts and addressing any associated vision or developmental problems.
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More about congenital cataracts
Congenital cataract symptoms
Congenital cataracts can affect one or both eyes and can vary in severity. Some children may have small cataracts that do not significantly impact their vision, while others may have larger cataracts that cause significant vision loss.
Symptoms of congenital cataracts can include:
- Cloudy or blurry vision
- Poor visual acuity
- Nystagmus (involuntary eye movements)
- Strabismus (crossed or misaligned eyes)
- Sensitivity to light
- Abnormal red reflex (a red glow seen when light is shone into the eye)
Congenital cataracts can sometimes be difficult to detect, especially in infants who cannot communicate their vision problems.
However, there are certain signs that parents can look for, such as:
- A white or greyish-white pupil (instead of black) in flash photographs
- Lack of eye contact or poor visual tracking
- Delayed developmental milestones related to vision, such as reaching for objects or crawling
Congenital cataract causes
There are many different causes of congenital cataracts. The most common causes include:
- Genetic factors. Some congenital cataracts are caused by inherited genetic mutations.
- Infections during pregnancy. Certain infections contracted by the mother during pregnancy can lead to congenital cataracts in the baby.
- Metabolic disorders. Certain metabolic disorders such as galactosaemia and Lowe syndrome have been associated with congenital cataracts.
- Trauma during pregnancy or childbirth. Physical trauma to the mother’s abdomen or head during pregnancy or childbirth can increase the risk of congenital cataracts in the baby.
Sometimes, the cause of congenital cataracts will remain unknown — but that does not mean they can’t be treated.
Congenital cataracts prognosis
Congenital cataracts that are mild and do not significantly impact vision may not require treatment, particularly if they occur in both eyes. In such cases, the doctor may simply monitor the cataract to ensure that it does not worsen over time.
However, moderate to severe congenital cataracts that affect vision or cataracts that only occur in one eye will require treatment.
Cataract removal surgery is the most common treatment for these types of cataracts. The procedure involves removing the cloudy lens and replacing it with an intraocular lens implant to restore vision.
In some cases, the surgery may need to be performed shortly after birth, especially if the cataract is large or if it affects the development of the eye. However, in most cases, surgery is performed when a child is a few months old or older.
The type of artificial lens used in the surgery depends on various factors such as the child’s age, the size of the cataract and the health of the eye.
Congenital cataract complications
If congenital cataracts are not corrected, they can lead to various complications that can affect a child’s visual development and cause permanent visual impairment.
Some of the potential complications of not correcting congenital cataracts include:
- Amblyopia,also known as lazy eye, a condition where the brain suppresses the vision in the affected eye
- Nystagmus, where the eyes move involuntarily, resulting in reduced visual perception
- Strabismus,where the eyes do not align properly
- Delayed visual development – this can affect the child’s ability to learn and perform daily activities
The most serious complication of not correcting congenital cataracts is permanent visual impairment. This can occur due to a phenomenon known as ‘deprivation amblyopia’.
This condition prevents the brain from learning how to interpret visual information because the cataract blocks the visual signals.
It is possible for the brain to become incapable of seeing correctly even after later removal of the cataract if the cataract is not removed early enough. This can lead to permanent vision loss.
Congenital cataract treatment
Most babies with congenital cataracts will need surgery to remove the cloudy lens and restore their vision. At Eye Clinic London, we offer two different types of treatment for congenital cataracts.
Phacoemulsification
This is a minimally invasive surgical technique used to remove the cataract. A small incision is made in the cornea and an ultrasound probe is inserted to break up the cloudy lens. The fragments are then suctioned out and an intraocular lens implant (IOL) is placed in the eye.
Extracapsular cataract extraction
This treatment is used when the lens needs to be removed in one piece. A larger incision of around 10-12mm is required. Stitches are needed, so recovery can take longer.
How is congenital cataract surgery performed on babies?
The surgical procedure for congenital cataracts in babies is performed under general anaesthesia.
The baby’s eye is first numbed with local anaesthetic drops and a small incision is made in the eye. The surgeon then removes the cloudy lens and replaces it with an artificial lens. The surgery typically takes less than an hour and the baby can usually go home the same day.
After surgery, the baby will need to wear an eye patch for a few days or weeks to help the eye heal and prevent infection. The baby will also need to have eye drops applied to prevent inflammation and promote healing.
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Congenital cataract symptoms
Congenital cataracts can affect one or both eyes and can vary in severity. Some children may have small cataracts that do not significantly impact their vision, while others may have larger cataracts that cause significant vision loss.
Symptoms of congenital cataracts can include:
- Cloudy or blurry vision
- Poor visual acuity
- Nystagmus (involuntary eye movements)
- Strabismus (crossed or misaligned eyes)
- Sensitivity to light
- Abnormal red reflex (a red glow seen when light is shone into the eye)
Congenital cataracts can sometimes be difficult to detect, especially in infants who cannot communicate their vision problems.
However, there are certain signs that parents can look for, such as:
- A white or greyish-white pupil (instead of black) in flash photographs
- Lack of eye contact or poor visual tracking
- Delayed developmental milestones related to vision, such as reaching for objects or crawling
Congenital cataract causes
There are many different causes of congenital cataracts. The most common causes include:
- Genetic factors. Some congenital cataracts are caused by inherited genetic mutations.
- Infections during pregnancy. Certain infections contracted by the mother during pregnancy can lead to congenital cataracts in the baby.
- Metabolic disorders. Certain metabolic disorders such as galactosaemia and Lowe syndrome have been associated with congenital cataracts.
- Trauma during pregnancy or childbirth. Physical trauma to the mother’s abdomen or head during pregnancy or childbirth can increase the risk of congenital cataracts in the baby.
Sometimes, the cause of congenital cataracts will remain unknown — but that does not mean they can’t be treated.
Congenital cataracts prognosis
Congenital cataracts that are mild and do not significantly impact vision may not require treatment, particularly if they occur in both eyes. In such cases, the doctor may simply monitor the cataract to ensure that it does not worsen over time.
However, moderate to severe congenital cataracts that affect vision or cataracts that only occur in one eye will require treatment.
Cataract removal surgery is the most common treatment for these types of cataracts. The procedure involves removing the cloudy lens and replacing it with an intraocular lens implant to restore vision.
In some cases, the surgery may need to be performed shortly after birth, especially if the cataract is large or if it affects the development of the eye. However, in most cases, surgery is performed when a child is a few months old or older.
The type of artificial lens used in the surgery depends on various factors such as the child’s age, the size of the cataract and the health of the eye.
Congenital cataract complications
If congenital cataracts are not corrected, they can lead to various complications that can affect a child’s visual development and cause permanent visual impairment.
Some of the potential complications of not correcting congenital cataracts include:
- Amblyopia,also known as lazy eye, a condition where the brain suppresses the vision in the affected eye
- Nystagmus, where the eyes move involuntarily, resulting in reduced visual perception
- Strabismus,where the eyes do not align properly
- Delayed visual development – this can affect the child’s ability to learn and perform daily activities
The most serious complication of not correcting congenital cataracts is permanent visual impairment. This can occur due to a phenomenon known as ‘deprivation amblyopia’.
This condition prevents the brain from learning how to interpret visual information because the cataract blocks the visual signals.
It is possible for the brain to become incapable of seeing correctly even after later removal of the cataract if the cataract is not removed early enough. This can lead to permanent vision loss.
Congenital cataract treatment
Most babies with congenital cataracts will need surgery to remove the cloudy lens and restore their vision. At Eye Clinic London, we offer two different types of treatment for congenital cataracts.
Phacoemulsification
This is a minimally invasive surgical technique used to remove the cataract. A small incision is made in the cornea and an ultrasound probe is inserted to break up the cloudy lens. The fragments are then suctioned out and an intraocular lens implant (IOL) is placed in the eye.
Extracapsular cataract extraction
This treatment is used when the lens needs to be removed in one piece. A larger incision of around 10-12mm is required. Stitches are needed, so recovery can take longer.
How is congenital cataract surgery performed on babies?
The surgical procedure for congenital cataracts in babies is performed under general anaesthesia.
The baby’s eye is first numbed with local anaesthetic drops and a small incision is made in the eye. The surgeon then removes the cloudy lens and replaces it with an artificial lens. The surgery typically takes less than an hour and the baby can usually go home the same day.
After surgery, the baby will need to wear an eye patch for a few days or weeks to help the eye heal and prevent infection. The baby will also need to have eye drops applied to prevent inflammation and promote healing.
Book an appointment for congenital cataracts
At Eye Clinic London, we understand that parents may be nervous when it comes to their child’s health. That’s why we strive to provide exceptional care for children with eye conditions, including congenital cataracts.
Our team of experienced ophthalmologists has years of experience treating children with a wide range of eye conditions and is dedicated to providing the best possible care for each child.
At Eye Clinic London, we believe that early intervention and treatment are key to ensuring the best possible outcomes for children with congenital cataracts. That’s why we encourage parents to bring their children in for regular eye exams, especially if there is a family history of cataracts or other eye conditions.
If your child has been diagnosed with congenital cataracts or if you have concerns about their vision, get in touch with our team at Eye Clinic London.
We are here to provide you with the support and care your child needs to achieve the best visions they can, and a bright future.
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Helpful links to more information about cataract surgery
COMPREHENSIVE INFORMATION FROM CATARACT AUTHORITIES
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About the expert
Mr Hamada | Consultant Ophthalmologist and Corneal Surgeon
MD, MSc, DO (hons), FRCSEd, FRCOphth I am Samer, founder and consultant ophthalmic surgeon with over 20 years’ experience in ophthalmology. I am a world-renowned specialist in cornea, cataract and refractive surgery. I’m not only a leading surgeon but also the only dual fellowship trained in corneal diseases in children from reputable institutions in the UK. At Eye Clinic London I work closely with other consultant ophthalmologists, optometrists and orthoptists to achieve the best outcomes for our patients. Our main aim is to make sure our patients get the safest and best treatments available to them. We put your safety before anything else so you can rest assured that if you choose us you will be in the best and safest hands.


































