Journal List > J Korean Ophthalmol Soc > v.52(7) > 1009073

Kim, Yim, and Chung: Risk Factors for Dry Eye in Thyroid-Associated Ophthalmopathy

Abstract

Purpose

To investigate the risk factors for dry eye in thyroid-associated ophthalmopathy patients.

Methods

The present retrospective study was conducted on 78 eyes in 39 patients diagnosed with thyroid-associated ophthalmopathy. The risk factors for dry eye in thyroid-associated ophthalmopathy patients were examined by analyzing data including tear breakup time, Schirmer's test, age, gender, thyroid function status, palpebral fissure width, lagophthalmos, eyelid retraction, and exophthalmos through multiple logistic regression analysis.

Results

The risk factors for dry eye disease were palpebral fissure width (OR = 3.422, p = 0.022) and lagophthalmos (OR = 13.068, p = 0.049). Age, gender, thyroid hormone status, eyelid retraction and exophthalmos did not show significant association with dry eye in multiple logistic regression analysis. The only risk factor for tear film breakup time less than 10 seconds was palpebral fissure width (OR = 2.787, p = 0.045), and none of the risk factors for Schirmer's test less than 10 mm at 5 minutes were statistically significant.

Conclusions

Risk factors for dry eye in thyroid ophthalmopathy patients were palpebral fissure width and lagophthalmos.

References

1. Rootman J, Dolman PJ. Thyroid Orbitopathy. 2nd ed.Philadelphia: Lippincott Williams & Wilkins;2003. p. 169–212.
2. Char DH. Thyroid eye disease. Br J Ophthalmol. 1996; 80:922–6.
crossref
3. Gilbard JP, Farris RL. Ocular surface drying and tear film osmolarity in thyroid eye disease. Acta Ophthalmol. 1983; 61:108–16.
crossref
4. Brasil MV, Brasil OF, Vieira RP, et al. Tear film analysis and its relation with palpebral fissure height and exophthalmos in Graves' ophthalmopathy. Arq Bras Oftalmol. 2005; 68:615–8.
5. Tsai CC, Kau HC, Kao SC, Hsu WM. Exophthalmos of patients with Graves' disease in Chinese of Taiwan. Eye. 2006; 20:569–73.
crossref
6. Tellez M, Cooper J, Edmonds C. Graves' ophthalmopathy in relation to cigarette smoking and ethnic origin. Clin Endocrinol. 1992; 36:291–4.
crossref
7. Woo KI, Kim YD, Lee SY; Korean Society of Ophthalmic Plastic and Reconstructive Surgery. The clinical characteristics of thyroid orbitopathy in thyroid dysfunction patients in Korea. J Korean Ophthalmol Soc. 2008; 49:1387–96.
8. Bartley GB, Fatourechi V, Kadrmas EF, et al. Clinical features of Graves' ophthalmopathy in an incidence cohort. Am J Ophthalmol. 1996; 121:284–90.
crossref
9. Eckstein AK, Plicht M, Lax H, et al. Thyrotropin receptor autoantibodies are independent risk factors for Graves' ophthalmopathy and help to predict severity and outcome of the disease. J Clin Endocrinol Metab. 2006; 91:3464–70.
crossref
10. Gerding MN, van der Meer JW, Broenink M, et al. Association of thyrotrophin receptor antibodies with the clinical features of Graves' ophthalmopathy. Clin Endocrinol. 2000; 52:267–71.
crossref
11. Mourits MP, Prummel MF, Wiersinga WM, Koornneef L. Clinical activity score as a guide in the management of patients with Graves' ophthalmopathy. Clin Endocrinol. 1997; 47:9–14.
crossref
12. Kaercher T, Bron AJ. Classification and diagnosis of dry eye. Dev Ophthalmol. 2008; 41:36–53.
crossref
13. Lemp MA, Dohlman CH, Kuwabara T, et al. Dry eye secondary to mucus deficiency. Trans Am Acad Ophthalmol Otolaryngol. 1971; 75:1223–7.
14. Jones LT. The lacrimal secretory system and its treatment. Am J Ophthalmol. 1966; 62:47–60.
crossref
15. Moses RA. The Eyelid. 8th ed.St. Louis: Mosby;1987. p. 11–36.
16. Kendler DL, Lippa J, Rootman J. The initial clinical characteristics of Graves' orbitopathy vary with age and sex. Arch Ophthalmol. 1993; 111:197–201.
crossref
17. Ko DA, Kim BJ, Kazim M. The epidemiologic and clinical characteristics of thyroid-associated orbitopathy. J Korean Ophthalmol Soc. 2006; 47:683–9.
18. Kohn LD, Harii N. Thyrotropin receptor autoantibodies (TSHRAbs): epitopes, origins and clinical significance. Autoimmunity. 2003; 36:331–7.
crossref
19. Kim WB, Chung HK, Park YJ, et al. Clinical significance of classification of Graves' disease according to the characteristics of TSH receptor antibodies. Korean J Intern Med. 2001; 16:187–200.
crossref
20. Kim WB, Chung HK, Park YJ, et al. The prevalence and clinical significance of blocking thyrotropin receptor antibodies in untreated hyperthyroid Graves' disease. Thyroid. 2000; 10:579–86.
crossref
21. Gomez JM, Soler J, Navarro MA. Thyroid stimulating antibodies in patients with Graves' ophthalmopathy. Thyroidology. 1991; 3:59–61.
22. Oh HJ, You IC, Yoon KC. Changes of tear parameters after using cyclosporine a in dry eye with thyroid ophthalmopahty. J Korean Ophthalmol Soc. 2007; 48:630–6.
23. Wiersinga WM, Prummel MF. Graves' ophthalmopathy: a rational approach to treatment. Trends Endocrinol Metab. 2002; 13:280–7.
crossref
24. Gayton JL. Etiology, prevalence, and treatment of dry eye disease. Clin Ophthalmol. 2009; 3:405–12.
crossref
25. Viso E, Rodriguez-Ares MT, Gude F. Prevalence of and associated factors for dry eye in a Spanish adult population (the Salnes Eye Study). Ophthalmic Epidemiol. 2009; 16:15–21.
crossref
26. Sahai A, Malik P. Dry eye: prevalence and attributable risk factors in a hospital-based population. Indian J Ophthalmol. 2005; 53:87–91.
crossref
27. Calonge M, Diebold Y, Sáez V, et al. Impression cytology of the ocular surface: a review. Exp Eye Res. 2004; 78:457–72.
crossref
28. Liang H, Baudouin C, Pauly A, Brignole-Baudouin F. Conjunctival and corneal reactions in rabbits following short- and repeated exposure to preservative-free tafluprost, commercially available latanoprost and 0.02% benzalkonium chloride. Br J Ophthalmol. 2008; 92:1275–82.
crossref
29. Xiong C, Chen D, Liu J, et al. A rabbit dry eye model induced by topical medication of a preservative benzalkonium chloride. Invest Ophthalmol Vis Sci. 2008; 49:1850–6.
crossref

Table 1.
Clinical manifestations of TAO*
Clinical feature  Number of patients (%)
Abnormal tear film breakup time  49 (62.8) 
Abnormal Schirmer test 40 (51.3)
Eyelid retraction 32 (41.0)
Exophthalmos 31 (39.7)
Lagophthalmos 7 (9.0)

* TAO = thyroid-associated ophthalmopathy

Abnormal tear film breakup time = tear film breakup time of less than 10 seconds

Abnormal Schirmer test = Schirmer test without topical anesthesia of less than 10 mm at 5 minutes.

Table 2.
Clinical characteristics associated with dry eye in patients with thyroid-associated ophthalmopathy
    Odd ratio 95% CI p-value
Age (yr) <30      
  30–50 2.864 0.374–21.932 0.311
  >50 3.416 0.444–26.273 0.238
Sex Male      
  Female 1.452 0.389–5.417 0.579
Thyroid H. status Normal      
  Hypothyroidism 0.710 0.065–7.734 0.779
  Hyperthyroidism 1.018 0.325–3.185 0.976
TBII* Normal      
  High 1.067 0.336–3.387 0.912
Palpebral fissure width (mm) <11      
  >11 3.422 1.197–9.780 0.022
Lid retraction No      
  Yes 0.936 0.304–2.881 0.908
Lagophthalmos No      
  Yes 13.068 1.013–168.575 0.049
Exophthalmos No      
  Yes 0.935 0.283–3.092 0.913

* TBII = TSH binding inhibitor immunoglobulin

CI = confidence interval.

Table 3.
Clinical characteristics associated with tear film breakup time less than 10 sec in patients with thyroid-associated ophthalmopathy
    Odd ratio 95% CI p-value
Age (yr) <30      
  30–50 2.381 0.174–10.155 0.28
  >50 3.425 0.275–14.432 0.13
Sex Male      
  Female 2.632 0.134–2.057 0.41
Thyroid H. status Normal      
  Hypothyroidism 0.495 0.067–4.390 0.512
  Hyperthyroidism 0.819 0.265–2.693 0.729
TBII* Normal      
  High 1.375 0.276–2.772 0.572
Palpebral fissure width (mm) <11      
  >11 2.787 0.940–8.260 0.045
Lid retraction No      
  Yes 1.725 0.844–8.192 0.325
Lagophthalmos No      
  Yes 2.632 0.302–37.727 0.41
Exophthalmos No      
  Yes 1.086 0.345–3.418 0.888

* TBII = TSH binding inhibitor immunoglobulin

CI = confidence interval.

Table 4.
Clinical characteristics associated with Schirmer test score less than 10 mm in patients with thyroid-associated ophthalmopathy
    Odd ratio 95% CI p-value
Age (yr) <30      
  30–50 1.755 0.055–3.021 0.486
  >50 1.678 0.075–3.655 0.522
Sex Male      
  Female 1.958 0.535–6.447 0.261
Thyroid H. status Normal      
  Hypothyroidism 0.734 0.102–5.281 0.759
  Hyperthyroidism 0.686 0.237–1.992 0.489
TBII* Normal      
  High 0.664 0.220–1.999 0.466
Palpebral fissure width (mm) <11      
  >11 2.59 0.868–6.297 0.075
Lid retraction No      
  Yes 1.655 0.582–4.709 0.345
Lagophthalmos No      
  Yes 1.907 0.142–6.292 0.487
Exophthalmos No      
  Yes 1.695 0.558–5.147 0.352

* TBII = TSH binding inhibitor immunoglobulin

CI = confidence interval.

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