macular area


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Related to macular area: fovea centralis
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Noun1.macular area - a small yellowish central area of the retina that is rich in cones and that mediates clear detailed visionmacular area - a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision
region, area - a part of an animal that has a special function or is supplied by a given artery or nerve; "in the abdominal region"
retina - the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
References in periodicals archive ?
FFA of these patients showed hyper-fluorescence in the macular area. All patients were fully informed about the treatment and informed consent was obtained from each patient.
(12) Nd:YAG laser hyaloidotomy is another noninvasive method which enables drainage of extensive premacular subhyaloid hemorrhage into the vitreous, facilitates absorption of blood cells, and improves vision within days by clearance of the obstructed macular area. (13) It has been advocated that hemorrhage less than 3 DD in size should not be subjected to photodisruptive laser for safety reasons.
The most frequently affected retinal structures or tissues seem to be those of the optic nerve head or papilla, the macular area, and the choroidal vessels (as revealed by the attendant loss of pigment).
Calculations were also done for total volume of scanned macular area. The macular thickness of these two groups was compared and Mann-Whitney U test (two tailed test, unpaired/independent) was used to calculate the differences between the two groups.
The loss of vision occurs when a thin layer of light sensing cells in the macular area of the retina disappear.
We calculated the average RT using four corresponding sections in the inner and outer rings and ratio of the edematous areas in the macular area. The number of pixels in highly swollen areas, indicated by the white area on OCT color maps, representing >500 [micro]m, was calculated using Adobe software (Photoshop CS6 Extended, Adobe Systems Inc., San Jose, CA) and divided by the pixels in the macular area indicated by black lines in Figure 1(b).
Twenty eyes were treated with laser photocoagulation at peripheral retina, 2 at para macular area and 10 at macula.
We found that decreased superficial and deep vascular density in macular area were associated with longer AL, higher degree of myopia, and decreased GCC thickness.
On fundus examination, a well-defined round to oval area of shallow elevation of retina in the macular area was noted with dull foveal reflex.
The macular area of the right eye was slightly blurred compared to the other fundus features and appeared raised.
Observing a wider macular area, namely, the central five fields (Figure 5), the mean retinal thickness in diabetics without DR showed increased thickness from the preoperative value of 284.2 to 291.2 [micro]m 6 months after surgery (p = 0.03) (Table 4).
Fundus fluorescein angiography (FFA) revealed nonperfusion in the macular area with late staining of small veins and arterioles and leakage (Figures 3 and 4).