Ara


A


A-scan
Ultrasound used to measure the eye's anterior-posterior axis

Aberration
Deviation from the normal. A localization which is different from the normal localization

Ablation
Separation

Ablepharia
Congenital absence of the eyelids

Ablepharous
Developmental absence of the eyelids

Adhesion
Sticking of the muscle to surrounding tissue after strabismus surgery

Adie’s pupil
Ganglion of the sphincter pupillae and ciliary muscle which usually follows a viral disease

Aphakia
Absnce of the eye's lens after cataract surgery

Aphakic bullous keratopathy
Endothelial insufficiency of the cornea which develops after cataract surgery

Acne rosacea
It is a condition of the sebaceous glands in the skin and involves the cheek and nose region in the face. In the eyes, the conjunctiva and the cornea are involved.

Albinism
A disease characterized by loss of pigment epithelium in the macula and retina, reduced vision and shaking eyes

Allograft
The donor's corneal tissue in a corneal transplant

Amaurosis
Blindness occurring without any apparent damage

Amblyopia
Lazy eye

Ammon’s operation
Blepharoplasty by a flap from the cheek

Ammon’s fissure
Opening in the sclera during early embryogenesis

Amsler charts
Black and white charts consisting of different geometrical shapes (grid, parallel lines
 etc.). They are used to test central visual field.

Anisometropia
A condition in which the two eyes have different refractive power

Angiography
Radiological imaging of retinal veins using sodium fluorescein

Angioma
A vascular tumor

Angiomatosis
A condition characterized by congenital angioma

Ankyloblepharon
Adhesion of the eyelids to each other

Anophthalmia
Congenital absence of one or both eyes

Anton's syndrome
A condition of blindness due to damage to both occipitoparietal lobes, in which the patient doesn't realize that they are blind

Apocrine
A type of gland. Examples include mammary glands and sweat glands in the armpits and groin.

Abscess
Pus-filled swelling in the tissue

Arteritis
Inflammation of the walls of the arteries

Acetylcysteine
A mucolytic drug used topically in some corneal diseases

Asthenopia
A refractive error combined with headache and eye pain

Atrophy
Partial or complete wasting away of an organ or tissue

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