Fixation pattern analysis with microperimetry in nystagmus patients

Molina‐Martín, Ainhoa; Piñero, David P.; Pérez-Cambrodí, Rafael J.

doi:10.1016/j.jcjo.2015.07.012

Cited by 13 publications

(26 citation statements)

References 33 publications

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“…SVOP relies on fixation stability to determine whether or not stimuli have been ‘seen’, yet nystagmus – a specific issue for children with visual impairment – results in fixation instability for the majority of patients . These results replicate the findings of Tailor et al on the incompatibility of SVOP with nystagmus.…”

Section: Discussionsupporting

confidence: 81%

Clinical applicability of the Saccadic Vector Optokinetic Perimeter in children with and without visual impairment

Simkin

Misra

Kasture

et al. 2019

Clinical and Experimental Optometry

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This is the largest study to date of the clinical applicability of SVOP in children without visual impairment, as well as assessing the utility of SVOP in children with visual impairment. Further research is needed to assess the accuracy of SVOP in a range of paediatric ocular disorders. SVOP may potentially offer a visual field assessment method for children previously unable to complete current paediatric perimetry techniques.

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Section: Discussionsupporting

confidence: 81%

Clinical applicability of the Saccadic Vector Optokinetic Perimeter in children with and without visual impairment

Simkin

Misra

Kasture

et al. 2019

Clinical and Experimental Optometry

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“…12 Subsequently, we studied the fixation through MP in a group of subjects with nystagmus of different etiology with the objective of characterizing the different fixation patterns that can be present in this type of oculomotor condition. 13 A significant correlation was found in this study between retinal sensitivity and BCVA as well as between stability of fixation and BCVA. 13 In addition to studies related to subjects with nystagmus, other authors have studied the nystagmic movements associated with other conditions as is the case of oculocutaneous albinism, 15,16 even showing the possibility of fixation training in these subjects using MP.…”

Section: Nystagmussupporting

confidence: 63%

“…For this reason, some authors have seen in MP an opportunity for the study of eye movements in nystagmus. [12][13][14] Our research group was the first that proposed the use of MP as an objective method of quantification of the nystagmic movement and characterization of fixation pattern in comparison to the video-oculography. 12 Subsequently, we studied the fixation through MP in a group of subjects with nystagmus of different etiology with the objective of characterizing the different fixation patterns that can be present in this type of oculomotor condition.…”

Section: Nystagmusmentioning

confidence: 99%

Current Clinical Application of Microperimetry: A Review

Molina‐Martín

Pérez-Cambrodí²,

Piñero

2017

Seminars in Ophthalmology

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Microperimetry (MP) is a technology that allows the study of retinal sensitivity at different foveal and parafoveal areas as well as eye fixation. It is a technique of functional evaluation, providing a direct correlation between anatomical and functional outcomes. There are a great variety of studies which evaluate the repeatability or reliability of measurements obtained with this technology and also describe and explore different clinical applications. MP has been shown to be useful in the characterization of sensory and motor conditions, such as amblyopia or nystagmus. Concerning ocular pathology, several studies have confirmed the usefulness of MP for evaluating and analyzing different retinal pathological conditions, such as age-related macular degeneration or glaucoma, and for analyzing the effect of different medical or surgical treatments for these conditions. MP has also been shown to be useful for visual training or rehabilitation in some specific cases.

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“…In the present study, median results for horizontal and vertical axes did not differ significantly as a function of age, confirming the presence of low variability of fixation in normal subjects without fixation or motility problems. In contrast, analysis of the horizontal and vertical diameters of the fixation ellipse can be useful in the characterization of subjects with motor impairment, such as happens in nystagmus (33, 34).…”

Section: Discussionmentioning

confidence: 99%