Macular hypoplasia

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Obesity, Sleep & Internal medicine
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Macular hypoplasia
Synonyms	Foveal hypoplasia
Pronounce	N/A
Specialty	N/A
Symptoms	Poor visual acuity, nystagmus, strabismus
Complications	Amblyopia, reduced vision
Onset	Congenital
Duration	Lifelong
Types	N/A
Causes	Genetic mutations, often associated with albinism
Risks	Family history of genetic conditions
Diagnosis	Ophthalmic examination, Optical coherence tomography
Differential diagnosis	Retinal dystrophy, Optic nerve hypoplasia
Prevention	Genetic counseling
Treatment	Low vision aids, vision therapy
Medication	N/A
Prognosis	Variable, depending on severity
Frequency	Rare
Deaths	N/A

Diagram of autosomal dominant inheritance

Macular Hypoplasia is a medical condition that affects the macula, the part of the retina responsible for detailed central vision. It is characterized by the underdevelopment or absence of the macula, leading to vision impairment.

Causes

Macular Hypoplasia is often associated with Albinism, a group of inherited disorders characterized by little or no production of the pigment melanin. The type and amount of melanin your body produces determines the color of your skin, hair, and eyes. Most people with albinism are sensitive to sun exposure and are at increased risk of developing skin cancer.

Symptoms

The main symptom of Macular Hypoplasia is decreased central vision. This can range from mild to severe, depending on the degree of hypoplasia. Other symptoms may include nystagmus (involuntary eye movement), strabismus (misalignment of the eyes), and photophobia (sensitivity to light).

Diagnosis

Diagnosis of Macular Hypoplasia is typically made through a comprehensive eye examination, including a detailed examination of the retina. Additional tests may include electroretinography (ERG), which measures the electrical responses of various cell types in the retina.

Treatment

There is currently no cure for Macular Hypoplasia. Treatment is focused on managing symptoms and improving the quality of life for those affected. This may include the use of low vision aids, such as magnifying glasses or electronic devices, and therapies to manage nystagmus and strabismus.

Prognosis

The prognosis for individuals with Macular Hypoplasia varies widely and depends on the severity of the condition. Some individuals may have near-normal vision, while others may be legally blind.

See also

• Albinism
• Nystagmus
• Strabismus
• Photophobia

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