Caterna is designed for patients (children) aged 4 to 12 years with a secured diagnosis amblyopia.

Caterna is an adjunct therapy in addition to the occlusion treatment, for example, if :

• Occlusion scored no optimal treatment result
• The occlusion treatment stagnates
• The amblyopia was discovered late
• A compliance problem exist (their child does not stick as it should)
• A particularly severe form of amblyopia is present
• A special time pressure state such as impending enrolment

The exclusion criterion (contraindication) is epilepsy.
Children with epilepsy are not allowed to do Caterna therapy.