[Amblyopia. Epidemiology, causes and risk factors]

Area of Science:

• Ophthalmology
• Pediatric Vision Science

Background:

• Amblyopia, or lazy eye, is a primary cause of unilateral vision impairment in children.
• Effective treatment and prevention strategies are time-sensitive and most successful during childhood.
• Germany currently lacks a systematic ophthalmological screening program for children.

Purpose of the Study:

• To investigate the prevalence and risk factors of amblyopia in Germany.
• To determine optimal age and frequency for ophthalmological screening to prevent amblyopia.
• To inform the development of national screening guidelines.

Main Methods:

• Review of existing epidemiological data on amblyopia prevalence.
• Analysis of causes including anisometropia, strabismus, and their combinations.
• Identification of associated risk factors such as ocular pathologies and familial disposition.

Main Results:

• The prevalence of amblyopia in Germany is reported as 5.6%.
• Key causes include anisometropia (50%) and strabismus (25%).
• Ocular pathologies, premature birth, and genetic factors increase amblyopia risk.

Conclusions:

• There is a significant prevalence of amblyopia in German children.
• The optimal timing and frequency for screening remain undetermined.
• Establishing a national ophthalmological screening program is recommended to improve early detection and intervention.