Chicken Blind or Sparrow Blind

Introduction In the night or in the dark, the object is unknown, the white spot or the light is as usual, and the eye appearance is good as the main eye disease. Commonly known as chicken blind, night blind.

Cause

Mostly because of chronic illness, weakness, lack of blood; or diet, partial hobbies, spleen and stomach damage, essential gas can not be sustained, liver blood loss, loss of care and so on.

an examination

Related inspection

Eye function examination ophthalmology examination fundus examination ophthalmoscopy

Common types of syndromes are:

1 liver blood loss type is blind. The card is seen in the dark or in the dark, the eye is dry, the eyes are dry, the dizziness is yellow, the tongue is thin, the number of the pulse is small. Expelling nourishing blood and nourishing the liver, using Yanggan pills and so on.

2 spleen and stomach qi deficiency type is blind. The card is seen in the dark or in the dark, the eyesight is unknown, the body is thin, the burnout is low, the tongue is weak, and the pulse is weak. It is advisable to adjust the spleen and stomach, and use the addition and subtraction of Buzhong Yiqi Decoction.

Corneal softening:

1. A history of vitamin A deficiency such as fever-consuming disease, improper artificial feeding or chronic diarrhea.

2. The typical clinical manifestations described above.

3. Serum vitamin A content is low.

4. Urine sediment is positive for keratinized epithelial cells.

Differential diagnosis

Blindness: refers to an anomalous phenomenon in which the vision is worse than when the light is dim in a brightly lit environment. A diagnosis can be made based on medical history and eye examination.

Partial hemianism: Medical terminology refers to the partial diagnosis of a part of the visual field. The hemianopia caused by visual pathological lesions often contributes to the localization diagnosis of neuropathy. When the optic chiasm is oppressed by the tumor, it often causes typical bilateral hemianopia. Some ophthalmic diseases can also cause hemianopia-type visual field defects, such as nasal visual field defects in advanced glaucoma, blunt-type visual field defects in retinal vascular occlusion, and visual field defects in the opposite direction when the retina is partially detached.

Quadrant defect: also known as quadrant hemianopia, that is, the visual field defect occupies a quadrant, more common in visual path damage above the optic chiasm.

Cortical blindness: A central visual dysfunction caused by toxins or vasospasm in the occipital cortex of the brain, with vasospasm being the most common. The clinical manifestations are complete loss of binocular vision, normal pupillary light reflex, normal fundus, and hemiplegia.

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