Final answer:
The patient's symptoms suggest a neurological issue influencing eye movement and responses, potentially linked to obstructive hydrocephalus. The accommodation-convergence reflex test could pinpoint neurological conditions when light reactivity is impaired. A pituitary gland growth might also cause a loss of lateral peripheral vision, known as bilateral hemianopia.
Step-by-step explanation:
The symptoms described in the patient point towards a neurological condition affecting eye movement and response. Patients with obstructive hydrocephalus may experience symptoms related to increased intracranial pressure, which can affect various cranial nerves and potentially lead to eye movement abnormalities such as limited upward gaze, eyelid retraction, and pupils that are non-reactive to light.
The accommodation-reflex is a test revealing how the eyes respond to viewing objects at different distances, mainly closer to the face. This reflex coordination, which includes accommodation in vision and convergence, may be affected in the presence of a neurological condition. While accommodation is maintained, light reactivity can be impaired with certain types of nerve damage, and differential responses can help localize the site of the lesion within the central nervous system.
Conditions such as a growth of the pituitary gland causing pressure on the optic chiasm can result in a loss of lateral peripheral vision, known as bilateral hemianopia. This visual field deficit is a distinct problem that can unfortunately accompany other neurological symptoms, indicating a more complex pathology impacting multiple aspects of ocular function.