Photophobia, also called visual photosensitivity is a debilitating symptom and is commonly associated with numerous ophthalmic and neurological pathologies including achromatopsia, dry eye, and traumatic brain injury. The Ocular Photosensitivity Analyzer (OPA), a new automated instrument utilized to quantify the visual photosensitivity thresholds (VPT) in healthy and light sensitive subjects, is described. The Ocular Photosensitivity Analyzer generates light stimuli of varying intensities utilizing unequal ascending and descending steps to yield the visual photosensitivity threshold. Catch trials were integrated within the OPA psychophysical testing paradigm as a performance metric to measure the response reliability of the subject during ...
The study investigated the potential applications and the limitations of non-standard techniques of ...
<p>Background: The pupillary light reflex is weaker for stimuli presented inside as compared to outs...
Aim: The identification of distinct symptoms of dry eye illness associated by various visual functio...
Visual photosensitivity is a common subjective symptom found in many conditions including ocular dis...
Visual light sensitivity (VLS) is a common subjective symptom found in many conditions including ret...
PURPOSE: There is an absence of information regarding safe levels of light exposure in present ophth...
PurposeTo evaluate whether a chromatic pupillometry test can be used to detect impaired function of ...
PURPOSE: To determine the reproducibility of morphoscopic contrast sensitivity test values in health...
Aim:To investigate the ability of a custom-built pupillometer and other novel diagnostic instruments...
Automated perimetry has made viable a rapid threshold examination of the visual field and has reinfo...
Background: Aberrant dark adaptation is common to many ocular diseases and pathophysiological condit...
Introduction: This paper aimed to describe variation in oculovisual function between unilateral prim...
<p>Background: The pupillary light reflex is weaker for stimuli presented inside as compared to outs...
NoPurpose To determine the usefulness of a battery of potential vision tests (PVTs) including poten...
<p>Background: The pupillary light reflex is weaker for stimuli presented inside as compared to outs...
The study investigated the potential applications and the limitations of non-standard techniques of ...
<p>Background: The pupillary light reflex is weaker for stimuli presented inside as compared to outs...
Aim: The identification of distinct symptoms of dry eye illness associated by various visual functio...
Visual photosensitivity is a common subjective symptom found in many conditions including ocular dis...
Visual light sensitivity (VLS) is a common subjective symptom found in many conditions including ret...
PURPOSE: There is an absence of information regarding safe levels of light exposure in present ophth...
PurposeTo evaluate whether a chromatic pupillometry test can be used to detect impaired function of ...
PURPOSE: To determine the reproducibility of morphoscopic contrast sensitivity test values in health...
Aim:To investigate the ability of a custom-built pupillometer and other novel diagnostic instruments...
Automated perimetry has made viable a rapid threshold examination of the visual field and has reinfo...
Background: Aberrant dark adaptation is common to many ocular diseases and pathophysiological condit...
Introduction: This paper aimed to describe variation in oculovisual function between unilateral prim...
<p>Background: The pupillary light reflex is weaker for stimuli presented inside as compared to outs...
NoPurpose To determine the usefulness of a battery of potential vision tests (PVTs) including poten...
<p>Background: The pupillary light reflex is weaker for stimuli presented inside as compared to outs...
The study investigated the potential applications and the limitations of non-standard techniques of ...
<p>Background: The pupillary light reflex is weaker for stimuli presented inside as compared to outs...
Aim: The identification of distinct symptoms of dry eye illness associated by various visual functio...