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Morphologic characteristics and clinical significance of the macular‑sparing area in patients with retinitis pigmentosa as revealed by multicolor imaging

  • Authors:
    • Guodong Liu
    • Qing Du
    • Khusbu Keyal
    • Fang Wang
  • View Affiliations / Copyright

    Affiliations: Department of Ophthalmology, Shanghai Tenth People's Hospital Affiliated to Tongji University School of Medicine, Shanghai 200072, P.R. China
    Copyright: © Liu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 5387-5394
    |
    Published online on: September 29, 2017
       https://doi.org/10.3892/etm.2017.5227
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Abstract

Retinitis pigmentosa (RP) is an inherited retinal disease caused by the degeneration of photoreceptors and retinal pigment epithelium cells within the eye. The present study aimed to evaluate the effectiveness of multicolor imaging as a novel technique for the depiction of morphological features in the macular area of patients with RP. Additionally, the correlation between the size of the macular‑sparing area and the best corrected visual acuity (BCVA), central visual field function and subfoveal choroidal thickness (SFCT) was analyzed. A total of 25 individuals with RP (n=50 eyes) and 35 healthy individuals (n=70 eyes) were enrolled in the current study. Images of the macular area were captured using multicolor imaging and traditional fundus photography, and their ability to depict retinal features was compared. The size of the macular‑sparing area in patients with RP was measured using built‑in measurement software programs. The correlations between the macular‑sparing area and the BCVA, visual field and SFCT were analyzed using a Spearman's rank correlation test. The results demonstrated that multicolor imaging revealed clinical features of the macular area in greater detail than traditional fundus photography irrespective of whether the patient also had complications, including cataracts and epiretinal membranes. Multicolor imaging clearly defined the borders of the macular‑sparing area corresponding to the relatively intact outer retinal structures on optical coherence tomography images, particularly the status of the ellipsoid zone and external limiting membrane. There was a significant positive correlation between the macular‑sparing area and BCVA (r=‑0.631; P<0.001), and the visual field in terms of MD (r=0.402; P<0.05) and PSD (r=0.595; P<0.001), however, there was not a statistically significant correlation between the macular‑sparing area and SFCT. The present study demonstrated that multicolor imaging is capable of detecting macular changes and complications in patients with RP. Multicolor imaging may be particularly useful in assessing the detailed characteristics of the macular‑sparing area, as this appears to be associated with visual function.
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Copy and paste a formatted citation
Spandidos Publications style
Liu G, Du Q, Keyal K and Wang F: Morphologic characteristics and clinical significance of the macular‑sparing area in patients with retinitis pigmentosa as revealed by multicolor imaging. Exp Ther Med 14: 5387-5394, 2017.
APA
Liu, G., Du, Q., Keyal, K., & Wang, F. (2017). Morphologic characteristics and clinical significance of the macular‑sparing area in patients with retinitis pigmentosa as revealed by multicolor imaging. Experimental and Therapeutic Medicine, 14, 5387-5394. https://doi.org/10.3892/etm.2017.5227
MLA
Liu, G., Du, Q., Keyal, K., Wang, F."Morphologic characteristics and clinical significance of the macular‑sparing area in patients with retinitis pigmentosa as revealed by multicolor imaging". Experimental and Therapeutic Medicine 14.6 (2017): 5387-5394.
Chicago
Liu, G., Du, Q., Keyal, K., Wang, F."Morphologic characteristics and clinical significance of the macular‑sparing area in patients with retinitis pigmentosa as revealed by multicolor imaging". Experimental and Therapeutic Medicine 14, no. 6 (2017): 5387-5394. https://doi.org/10.3892/etm.2017.5227
Copy and paste a formatted citation
x
Spandidos Publications style
Liu G, Du Q, Keyal K and Wang F: Morphologic characteristics and clinical significance of the macular‑sparing area in patients with retinitis pigmentosa as revealed by multicolor imaging. Exp Ther Med 14: 5387-5394, 2017.
APA
Liu, G., Du, Q., Keyal, K., & Wang, F. (2017). Morphologic characteristics and clinical significance of the macular‑sparing area in patients with retinitis pigmentosa as revealed by multicolor imaging. Experimental and Therapeutic Medicine, 14, 5387-5394. https://doi.org/10.3892/etm.2017.5227
MLA
Liu, G., Du, Q., Keyal, K., Wang, F."Morphologic characteristics and clinical significance of the macular‑sparing area in patients with retinitis pigmentosa as revealed by multicolor imaging". Experimental and Therapeutic Medicine 14.6 (2017): 5387-5394.
Chicago
Liu, G., Du, Q., Keyal, K., Wang, F."Morphologic characteristics and clinical significance of the macular‑sparing area in patients with retinitis pigmentosa as revealed by multicolor imaging". Experimental and Therapeutic Medicine 14, no. 6 (2017): 5387-5394. https://doi.org/10.3892/etm.2017.5227
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