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Title

Asthenope klachten: inleiding en diagnostisch schema

Purpose	Patients with asthenopic complaints are often refered for orthoptic assessment and treatment. It is the purpose of this presentation to discuss the orthoptic approach to these problems.
Methods	Besides a range of causes of a different nature, asthenopia can be caused by a number of accommodative and/or binocular problems. Refraction correction will also play a role in the patient’s visual comfort (or lack of it). An extensive history followed by a full orthoptic assessment may be necessary to uncover the presence of one or more of these causes of asthenopia.
Results	A systematic diagnostic approach is presented. Special attention will be paid to the appropriate refractive correction, to the examination of the binocular status and of accommodation and to prolonged occlusion as a diagnostic tool.
Conclusion	This systematic approach helps to clarify the nature of asthenopic complaints in many patients and provides a basis for the management of their complaints.

Author 1