Inter- and intraobserver variation in the analysis of optic disc images: comparison of the Heidelberg retina tomograph and computer assisted planimetry

D F Garway-Heath; D Poinoosawmy; G Wollstein; A Viswanathan; D Kamal; L Fontana; R A Hitchings

doi:10.1136/bjo.83.6.664

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Original Article

Inter- and intraobserver variation in the analysis of optic disc images: comparison of the Heidelberg retina tomograph and computer assisted planimetry

Online download statistics by month:

Online download statistics by month: May 1999 to March 2024

	Abstract	Full	Pdf
May 1999	7	25	6
Jun 1999	8	28	7
Jul 1999	2	3	1
Aug 1999	19	0	0
Sep 1999	3	0	0
Oct 1999	1	1	2
Nov 1999	5	2	0
Dec 1999	1	2	0
Jan 2000	0	1	6
Feb 2000	1	1	1
Mar 2000	0	1	0
May 2000	2	2	1
Jul 2000	1	0	0
Aug 2000	2	5	4
Sep 2000	0	1	1
Oct 2000	1	2	1
Nov 2000	1	1	0
Dec 2000	6	5	4
Jan 2001	0	4	1
Feb 2001	1	8	1
Mar 2001	1	5	0
Apr 2001	1	1	1
May 2001	0	1	0
Jun 2001	1	4	1
Jul 2001	0	1	0
Aug 2001	0	11	0
Sep 2001	0	5	0
Oct 2001	5	15	0
Nov 2001	6	12	1
Dec 2001	1	3	2
Jan 2002	0	19	1
Feb 2002	0	4	0
Mar 2002	1	3	4
Apr 2002	0	7	1
May 2002	4	3	1
Jul 2002	1	7	6
Aug 2002	2	18	13
Sep 2002	2	5	4
Oct 2002	2	13	6
Nov 2002	1	5	3
Dec 2002	0	6	3
Jan 2003	4	7	3
Feb 2003	3	14	3
Mar 2003	3	8	4
Apr 2003	0	5	4
May 2003	1	7	3
Jun 2003	1	5	3
Jul 2003	12	15	5
Aug 2003	16	26	13
Sep 2003	11	24	4
Oct 2003	12	16	2
Nov 2003	13	14	2
Dec 2003	7	13	1
Jan 2004	18	28	1
Feb 2004	9	27	9
Mar 2004	19	25	16
Apr 2004	19	21	4
May 2004	35	44	14
Jun 2004	32	56	17
Jul 2004	32	52	8
Aug 2004	36	47	11
Sep 2004	13	50	10
Oct 2004	15	58	14
Nov 2004	10	64	6
Dec 2004	6	31	6
Jan 2005	15	43	12
Feb 2005	9	49	5
Mar 2005	13	40	10
Apr 2005	4	22	5
May 2005	6	28	9
Jun 2005	8	52	9
Jul 2005	4	21	8
Aug 2005	9	28	8
Sep 2005	6	14	12
Oct 2005	7	22	2
Nov 2005	8	43	17
Dec 2005	3	28	8
Jan 2006	5	38	7
Feb 2006	5	32	21
Mar 2006	4	22	4
Apr 2006	3	22	7
May 2006	15	15	9
Jun 2006	11	18	7
Jul 2006	3	8	4
Aug 2006	6	18	8
Sep 2006	13	28	3
Oct 2006	13	40	7
Nov 2006	7	25	11
Dec 2006	9	21	12
Jan 2007	7	21	7
Feb 2007	11	23	8
Mar 2007	5	21	14
Apr 2007	13	11	10
May 2007	13	13	9
Jun 2007	13	13	6
Jul 2007	5	9	5
Aug 2007	9	10	5
Sep 2007	16	7	3
Oct 2007	2	9	4
Nov 2007	14	8	8
Dec 2007	10	7	6
Jan 2008	17	3	3
Feb 2008	14	5	4
Mar 2008	21	9	2
Apr 2008	11	5	3
May 2008	12	3	5
Jun 2008	10	2	3
Jul 2008	9	5	3
Aug 2008	22	5	6
Sep 2008	18	5	4
Oct 2008	5	5	2
Nov 2008	10	4	4
Dec 2008	11	3	2
Jan 2009	8	6	3
Feb 2009	11	0	2
Mar 2009	4	1	3
Apr 2009	8	0	1
May 2009	6	0	1
Jun 2009	11	3	3
Jul 2009	3	0	2
Aug 2009	1	0	1
Sep 2009	10	0	2
Oct 2009	7	2	4
Nov 2009	5	2	2
Dec 2009	10	4	2
Jan 2010	11	4	3
Feb 2010	4	3	1
Mar 2010	2	3	0
Apr 2010	4	2	1
May 2010	4	1	3
Jun 2010	6	1	2
Jul 2010	5	2	6
Aug 2010	0	3	1
Sep 2010	13	4	0
Oct 2010	15	2	1
Nov 2010	21	1	0
Dec 2010	6	1	2
Jan 2011	12	6	4
Feb 2011	4	2	2
Mar 2011	10	3	1
Apr 2011	7	1	2
May 2011	17	1	1
Jun 2011	8	0	1
Jul 2011	11	0	0
Aug 2011	6	0	1
Sep 2011	9	1	0
Oct 2011	10	3	4
Nov 2011	8	4	2
Dec 2011	6	5	2
Jan 2012	9	6	4
Feb 2012	7	7	2
Mar 2012	9	3	6
Apr 2012	4	9	2
May 2012	11	11	4
Jun 2012	10	8	2
Jul 2012	10	8	8
Aug 2012	5	7	6
Sep 2012	12	8	5
Oct 2012	18	10	11
Nov 2012	20	6	6
Dec 2012	21	10	5
Jan 2013	32	19	3
Feb 2013	11	6	3
Mar 2013	13	14	3
Apr 2013	17	10	6
May 2013	21	12	4
Jun 2013	6	14	6
Jul 2013	7	5	3
Aug 2013	7	2	1
Sep 2013	2	6	3
Oct 2013	14	4	6
Nov 2013	5	3	1
Dec 2013	5	4	7
Jan 2014	3	4	2
Feb 2014	18	3	2
Mar 2014	11	11	6
Apr 2014	11	7	3
May 2014	13	6	2
Jun 2014	3	13	7
Jul 2014	12	25	1
Aug 2014	4	7	1
Sep 2014	5	12	0
Oct 2014	7	26	2
Nov 2014	6	20	4
Dec 2014	9	0	1
Jan 2015	5	29	3
Feb 2015	4	2	2
Mar 2015	3	5	2
Apr 2015	5	10	0
May 2015	10	9	6
Jun 2015	5	22	4
Jul 2015	3	13	10
Aug 2015	11	17	0
Sep 2015	5	8	3
Oct 2015	1	6	3
Nov 2015	6	9	1
Dec 2015	6	16	3
Jan 2016	24	12	8
Feb 2016	2	11	3
Mar 2016	5	8	6
Apr 2016	4	14	2
May 2016	4	16	1
Jun 2016	6	13	7
Jul 2016	7	20	2
Aug 2016	9	14	6
Sep 2016	16	13	5
Oct 2016	8	18	1
Nov 2016	4	22	1
Dec 2016	7	15	4
Jan 2017	5	14	2
Feb 2017	3	11	2
Mar 2017	3	15	4
Apr 2017	4	28	1
May 2017	2	31	4
Jun 2017	3	14	3
Jul 2017	25	25	4
Aug 2017	17	14	0
Sep 2017	65	65	1
Oct 2017	133	129	2
Nov 2017	64	60	1
Dec 2017	92	82	1
Jan 2018	218	218	4
Feb 2018	90	82	2
Mar 2018	176	168	3
Apr 2018	72	72	1
May 2018	117	109	2
Jun 2018	75	73	2
Jul 2018	117	115	1
Aug 2018	105	103	2
Sep 2018	106	104	1
Oct 2018	107	107	2
Nov 2018	90	86	4
Dec 2018	105	101	3
Jan 2019	84	80	0
Feb 2019	94	90	2
Mar 2019	46	42	6
Apr 2019	40	40	8
May 2019	47	43	8
Jun 2019	64	62	6
Jul 2019	55	55	17
Aug 2019	59	56	8
Sep 2019	56	56	5
Oct 2019	57	56	0
Nov 2019	67	63	5
Dec 2019	69	62	4
Jan 2020	58	55	3
Feb 2020	51	49	3
Mar 2020	56	53	5
Apr 2020	62	60	21
May 2020	73	69	4
Jun 2020	53	51	12
Jul 2020	53	53	4
Aug 2020	52	52	6
Sep 2020	69	69	31
Oct 2020	60	54	5
Nov 2020	22	20	7
Dec 2020	95	85	11
Jan 2021	35	32	11
Feb 2021	19	19	2
Mar 2021	24	22	3
Apr 2021	26	27	7
May 2021	31	32	2
Jun 2021	26	26	7
Jul 2021	38	39	10
Aug 2021	36	36	9
Sep 2021	23	23	3
Oct 2021	31	30	24
Nov 2021	49	49	38
Dec 2021	21	21	3
Jan 2022	31	32	6
Feb 2022	45	48	5
Mar 2022	75	83	8
Apr 2022	53	52	5
May 2022	50	49	16
Jun 2022	67	67	15
Jul 2022	55	53	17
Aug 2022	59	58	15
Sep 2022	47	48	21
Oct 2022	57	55	13
Nov 2022	59	58	8
Dec 2022	31	33	5
Jan 2023	31	31	3
Feb 2023	31	31	4
Mar 2023	44	40	3
Apr 2023	35	35	7
May 2023	44	42	12
Jun 2023	70	71	1
Jul 2023	59	59	8
Aug 2023	65	58	23
Sep 2023	49	53	6
Oct 2023	69	52	7
Nov 2023	44	45	5
Dec 2023	88	8	1
Jan 2024	27	0	0
Feb 2024	27	1	3
Mar 2024	76	1	1
Total	6684	7219	1434

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