Axis

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Related to visual axis: fovea, pupillary axis

Axis

In Cartesian charting, a line that bisects a chart. The x-axis cuts a chart horizontally, while the y-axis cuts it vertically.
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References in periodicals archive ?
16,18 Inflammatory response in infants is very intense and the visual axis obscurity by fibrous membranes proliferating on the intact anterior vitreous surface could take place.19 All patients had meticulous anterior vitrectomy after cataract removal to avoid posterior capsular opacification.
This may occur because of the fact that PCCC and AV eliminate the vitreous and hyaloid face as a scaffold for the LECs' migration to the visual axis.
Posterior capsulorhexis with optic capture: maintaining a clear visual axis after pediatric cataract surgery.
We determined that the most common ocular complication was visual axis opacity, including PCO, secondary membrane or lens reproliferation, and capsular phimosis, as previously reported.
As the lesion was not in the line of the visual axis in childhood, the vision was normal but gradually with the increase in size and nodularity of the nevus, the visual axis was being obstructed causing lateral visual field obstruction.
Corneal scars in visual axis, especially inferior ones, are a problem in a select group of people.
A minor degree of alteration in the visual axis may be compen- sated for by alteration of neuromuscular activity of both eyes.
Indications for pterygium removal include involvement of the visual axis, progressive growth approaching the visual axis, and pterygium extending [greater than or equal to] 3 mm onto the cornea.
Long-term management includes: refractive correction of the astigmatism generated by a corneal scar, penetrating keratoplasty when the scar compromises the visual axis directly or when there is corneal decompensation due to endothelial cell damage, and cataract surgery if required (4).
The medial and lateral recti move the visual axis from side to side; the superior and inferior recti move the axis up and down and the superior and inferior oblique roll the eyeball around visual axis.

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