Blindness

Blindness: Or something else? Differential Diagnosis

Congenital malformations, deformities, and chromosomal abnormalities (Q00-Q99). Hereditary blindness (e.g., Leber’s congenital amaurosis). Eyes and eye appendages (H00-H59). Functional blindness (psychogenic blindness) – loss of vision without the ability to make objective findings. Practical blindness Injuries, poisonings and other consequences of external causes (S00-T98). Actinic keratopathy or photokeratitis (snow blindness). Blinding (sweat burn)

Blindness: Diagnostic Tests

Obligatory medical device diagnostics. Vision test Slit lamp examination (slit lamp microscope; viewing of the eyeball under appropriate lighting and high magnification). Ophthalmoscopy (ocular fundus examination). Tonometry (intraocular pressure measurement)

Blindness: Causes

Pathogenesis (development of disease) The pathogenesis of blindness is very diverse. Blindness can be congenital, but it can also be acquired. Etiology (causes) Biographic causes Genetic burden from parents, grandparents – hereditary eye diseases account for approximately 7% of blindness in Germany Disease-related causes Eyes and eye appendages (H00-H59). Ablatio retinae (retinal detachment). Age-related macular … Blindness: Causes

Blindness: Therapy

Depending on the underlying disease, drug/surgical therapy may be used. General measures-depending on the degree of limitation available include Use of optical aids, electronic reading aids. Orientation/mobility training Braille Braille Braille long stick (touch stick) Guide dog for the blind

Blindness: Medical History

The medical history (history of the patient) represents an important component in the diagnosis of blindness. Family history Are there any diseases of the eyes in your family that are common? Social anamnesis Current medical history/systemic history (somatic and psychological complaints). Have you noticed any worsening of vision? How long has this deterioration been present? … Blindness: Medical History

Blindness: Classification

Classification of severity of visual impairment (WHO). Designation according to ICD 10 Levels according to WHO Visual acuity with best possible correction Visual impairment 1 Visual acuity from 0.3 to 0.1 2 Visual acuity from 0.1 to 0.05 Blindness 3 Visual acuity from 0.05 to 0.02 4 Visual acuity from 0.02 to light perception 5 … Blindness: Classification

Blindness: Examination

A comprehensive clinical examination is the basis for selecting further diagnostic steps: General physical examination – including blood pressure, pulse, body weight, height. Ophthalmic examination – including determination of visual acuity and intraocular pressure.

Blindness: Lab Test

2nd order laboratory parameters – depending on the results of the history, physical examination and obligatory laboratory parameters – for differential diagnostic clarification. Small blood count Inflammatory parameters – CRP (C-reactive protein). Fasting glucose (fasting blood sugar) Infectious serology, conjunctival swab if necessary, blood cultures.

Causes of blindness

Synonym Amaurosis On the one hand, childhood is to be mentioned here, since children can injure themselves so badly by sharp and pointed objects while playing or frolicking around that their eyesight cannot be saved despite immediate help from an eye doctor. The second peak in the incidence of eye injuries is in adulthood, as … Causes of blindness