Obligatory medical device diagnostics. Vision test with visual acuity (visual sharpness) in the distance with glasses present and current refraction (“spectacle lens determination”) on refractometer (subjective refraction determination)If good visual acuity is not achieved, then Attachment of a stenopeic diaphragm during vision testing (aid for differential diagnostic assessment of reduced visual acuity; usually consists of … Visual Disorders: Diagnostic Tests
The following forms of visual disorders can be distinguished: Amblyopia ex anopsia (synonym: stimulus deprivation amblyopia) – amblyopia caused by a true functional failure of the eye. Subjective visual disturbances such as: Asthenopia – symptom complex described by the following complaints:Abnormal sensations under visual stress, accompanied by blurred vision, watering, etc. Color rings around light … Visual Disorders: Symptoms, Complaints, Signs
Depending on the underlying condition, drug/surgical therapy may be used. General measures Briefly closing the eyes relaxes the eye muscles. Occasional changes of gaze into the distance prevent eyestrain during screen work or reading. When working at the computer screen should be regular breaks. Intensive screen viewing (TV, computer, tablet or cell phone) delays the … Visual Disorders: Therapy
The medical history (history of the patient) represents an important component in the diagnosis of the visual disorder. Family history Are there any eye diseases in your family that are common? Social anamnesis Current medical history/systemic history (somatic and psychological complaints). When did the visual disturbance occur? Describe the nature of the visual disturbance: Flicker … Visual Disorders: Medical History
Acute visual disturbances Eyes and eye appendages (H00-H59). Ablatio retinae* * (amotio retinae; retinal detachment ) Acute glaucoma* (angle-closure glaucoma; glaucoma). Acute iritis* (menstrual meningitis). Acute ischemic optic neuropathy* * – acute circulatory disturbance of the optic disc. Acute keratoconus* * – cone-shaped change of the cornea. Chorioretinopathy centralis serosa* * – form of choroidal/retinal … Visual Disorders: Or something else? Differential Diagnosis
A comprehensive clinical examination is the basis for selecting further diagnostic steps: General physical examination – including blood pressure, pulse, body weight, height; furthermore: Inspection (viewing). Skin and mucous membranes Eyes [vascular congestion?, blood in the eyeball?, bluish discoloration of the eye?] Ophthalmic examination – examination of the eye with a slit lamp, determination of … Visual Disorders: Examination
2nd order laboratory parameters – depending on the results of 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) If necessary, serology for borrelia, toxoplasmosis, treponemas, bartonella – if unclear papilledema (swelling of the optic disc due to … Visual Disorders: Lab Test