Age and Retinal Nerve Fiber Layer Thickness Measured by Spectral Domain Optical Coherence Tomography.
	    		
		   		
		   			
		   		
	    	
    	 
    	10.3341/kjo.2012.26.3.163
   		
        
        	
        	
        	
        		- Author:
	        		
		        		
		        		
			        		Jong Yeon LEE
			        		
			        		
			        		
			        			1
			        			
			        		
			        		
			        		
			        		
			        		;
		        		
		        		
		        		
			        		Young Hoon HWANG
			        		
			        		;
		        		
		        		
		        		
			        		Sun Min LEE
			        		
			        		;
		        		
		        		
		        		
			        		Yong Yeon KIM
			        		
			        		
		        		
		        		
		        		
		        		
		        			
			        		
			        		Author Information
			        		
		        		
		        		
			        		
			        		
			        			1. Department of Ophthalmology, Gachon University Gil Hospital, Incheon, Korea.
			        		
		        		
	        		
        		 
        	
        	
        	
        		- Publication Type:Original Article ; Comparative Study
 
        	
        	
        		- Keywords:
        			
	        			
	        				
	        				
			        		
				        		Aging;
			        		
			        		
			        		
				        		Glaucoma;
			        		
			        		
			        		
				        		Optical coherence tomography
			        		
			        		
	        			
        			
        		
 
        	
            
            	- MeSH:
            	
	        			
	        				
	        				
				        		
					        		Adult;
				        		
			        		
				        		
					        		Aged;
				        		
			        		
				        		
					        		*Aging;
				        		
			        		
				        		
					        		*Asian Continental Ancestry Group;
				        		
			        		
				        		
					        		Humans;
				        		
			        		
				        		
					        		Male;
				        		
			        		
				        		
					        		Middle Aged;
				        		
			        		
				        		
					        		*Nerve Fibers;
				        		
			        		
				        		
					        		Reference Values;
				        		
			        		
				        		
					        		Reproducibility of Results;
				        		
			        		
				        		
					        		Retinal Ganglion Cells/*cytology;
				        		
			        		
				        		
					        		Tomography, Optical Coherence/*methods;
				        		
			        		
				        		
					        		Young Adult
				        		
			        		
	        			
	        			
            	
            	
 
            
            
            	- From:Korean Journal of Ophthalmology
	            		
	            		 2012;26(3):163-168
	            	
            	
 
            
            
            	- CountryRepublic of Korea
 
            
            
            	- Language:English
 
            
            
            	- 
		        	Abstract:
			       	
			       		
				        
				        	PURPOSE: To evaluate the association between age and peripapillary retinal nerve fiber layer (RNFL) thickness measured by Cirrus high-definition (HD) spectral domain optical coherence tomography (OCT) in healthy Korean subjects. METHODS: A total of 302 eyes from 155 healthy Korean subjects (age range, 20 to 79 years) underwent RNFL thickness measurements using the Cirrus HD-OCT. Average, quadrant, and clock-hour RNFL thickness parameters were analyzed in terms of age using linear mixed effect models. RESULTS: Average RNFL demonstrated a slope of -2.1 microm per decade of age (p < 0.001). In quadrant analysis, superior (-3.4 microm/decade, p < 0.001) and inferior (-2.9 microm/decade, p < 0.001) quadrants showed steeper slopes, whereas temporal (-1.1 microm/decade, p < 0.001) and nasal (-1.0 microm/decade, p < 0.001) quadrants revealed shallower slopes. Among the 12 clock-hour sectors, clock hours 6 (-4.5 microm/decade, p < 0.001) and 1 (-4.1 microm/decade, p < 0.001) showed the greatest tendency to decline with age; RNFLs of the 3 (-0.2 microm/decade, p = 0.391) and 4 (-0.6 microm/decade, p = 0.052) o'clock hour sectors did not show significant decay. CONCLUSIONS: RNFL thickness was associated with age, especially in superior and inferior areas. The topographic distribution of correlation between age and RNFL thickness was not uniform.