Macula OCT Image Characteristics And Related Factors Of Highly Myopic With Axial Length Longer Than26mm

Purpose:In the study, we used Heidelberg Spectralis OCT (HRA+OCT) to observe the relationship between the axial length and macular OCT of high myopia and provide the basis for the treatment of high myopia, while guiding clinical better use of OCT examination.Methods:Collection axial length>26mm high myopia59patients (106eyes) according to the axial length of the eye was seized divided into three groups, the first group (26mm<axial length<28mm) of30eyes, the second group (28mm<the axial length<30mm) of31eyes, the third group of45eyes (axial length>30mm), record the patient’s age, refractive error and best corrected visual acuity, dilated underwent OCT examination, observe the macular retinal changesand the characteristics of OCT images. Analysis of the age, best corrected visual acuity and refraction in the relationship between the different axial length,using SPSS20.0statistical software analyzed data results.Results:Axial length and the relationship between age and refraction:A group of average age of60.87±15.974years old, the average refraction was-10.38±1.34D, B group, the average age was65.68±10.130years, the average refraction was-12.69Q1.40D, the average age of the C group was62.35±13.041years, the average refraction was-14.33±1.61D, the correlation between the axial length and age was not statistically significant (P>0.05) between the axial length and diopter The correlation was statistically significant (P<0.05).Axial length>26mm high myopia macular OCT images of pathological manifestations:retinal thickness alteration; Retinoschisis; macular choroidal neovascularization; macular hole; retinal atrophy.The relations of axial to age and to refraction:retinal thickness changes in group A6,in group B7and group C7, macular membrane A group4, B group4, C group11, retinoschisis8in group A,5in group B,5in group C, retinal tear group A3, B group1, C group1, macular choroidal neovascularization A group7, B group7, C group9, retinal atrophy A group2, B group7, C group13, axial length and retinal lesions between statistical significance.(P<0.05).Conclusions:1. With the growth of the axial, refractive error increasing in high myopia, but there is no significant correlation between axial length and age2. With the growth of the axial, the type and extent of macular degeneration was different in high myopia.