What question did this study set out to answer?

To highlight the absence of a clinically detectable relative afferent pupillary defect in a case of lateral chiasmal syndrome due to a cerebral aneurysm.

April 1, 2026Optometry and Vision Science

Absent Relative Afferent Pupillary Defect in an Asymptomatic Case of Lateral Chiasmal Syndrome from Cerebral Aneurysm

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Authors

EBEulogio BesadaNova Southeastern University JFJerome P. FisherPenn Presbyterian Medical Center

Discussion

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Implication

Case report demonstrates absent pupillary defect in lateral chiasmal syndrome, suggesting importance of neuroimaging evaluation.

Key Points

To highlight the absence of a clinically detectable relative afferent pupillary defect in a case of lateral chiasmal syndrome due to a cerebral aneurysm.
Case report of a 34-year-old female with subtle optic nerve pallor
Neuroimaging performed to assess cranial and orbital structures
Visual fields evaluated to identify visual field loss
Absent relative afferent pupillary defect observed despite unilateral optic nerve pallor
Visual fields showed nasal depression in the right eye
Surgical intervention on the aneurysm resulted in no additional visual loss or complications

Cite This Study

Besada et al. (2001) studied this question.

synapsesocial.com/papers/69cd7a4e5652765b073a74ba https://doi.org/10.1002/j.1538-9235.2001.tb01241.x

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Absent Relative Afferent Pupillary Defect in an Asymptomatic Case of Lateral Chiasmal Syndrome from Cerebral Aneurysm

Discussion

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Implication

Key Points

Cite This Study

Absent Relative Afferent Pupillary Defect in an Asymptomatic Case of Lateral Chiasmal Syndrome from Cerebral Aneurysm

Discussion

Member takes

Implication

Key Points

Cite This Study

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