be difficulty in adjusting focus from distance from near. It is a comparatively rare condition. Spasm of accommodation Spasm of accommodation also known as ciliary spasm is a condition of abnormally excessive accommodation which is out of voluntary control of the person. Vision may be blurred due to induced pseudomyopia. Accommodative excess Accommodative excess occurs when an individual uses more than normal accommodation for performing certain near work. Modern definitions simply regard it as an inability to relax accommodation readily. See also Disorders of and relating to accommodation Accommodative esotropia Latent hyperopia Myopia Pseudomyopia Other Accommodation in fish Adaptation (eye) Amplitude of accommodation Cycloplegia Cyclospasm Edinger-Westphal nucleus Mandelbaum Effect Negative relative accommodation Positive relative accommodation References External links —"Presbyopia: Cause and Treatment" Eye Optometry Ophthalmology Vision