Research progress of obstructive sleep apnea hypopnea syndrome and ocular surface diseases / 国际眼科杂志(Guoji Yanke Zazhi)

Obstructive sleep apnea hypopnea syndrome(OSAHS)is a group of diseases which occurred in the upper respiratory tract with transient, recurrent, partial or complete obstruction during night sleep. It can affect the regulation of hemodynamics, endocrine systems and autonomic nerve, and then result in the reduction of body oxygen saturation, chronic hypoxia and hypercapnia. Beside being an independent risk factor for cardiovascular and cerebrovascular diseases, many studies have shown that it is also associated with ocular surface diseases in OSAHS, such as floppy eyelid syndrome, dry eye, keratoconus, etc., but there is still a lack of perfect systematic analysis. This paper reviews the relationship between OSAHS and relevant ocular surface diseases including pathogenesis,clinical manifestations and treatment progress, in order to reduce the ophthalmic complications of OSAHS patients in clinical diagnosis and treatment,and better improve the quality of life of patients.

Congenital combined eyelid imbrication and floppy eyelid syndrome: Case report and review of literature.

was in sleep, bilateral medial and lateral canthal tendon laxity and tarsal conjunctival hyperemia. We report a third case of congenital combined eyelid imbrication and floppy eyelid syndrome in healthy neonate that was resolved within a week with conservative treatment.

Four Cases of Avellino Corneal Dystrophy Concurrent with Floppy Eyelid Syndrome

PURPOSE: Avellino corneal dystrophy (ACD) is the most common form of inherited corneal disorder in Korea. To report 4 cases of ACD concurrent with floppy eyelid syndrome (FES), which had not been previously reported, and to find an additional mutation. METHODS: Five patient in 2 families who were diagnosed as ACD patient were examined whether they had FES. PCR, cold-SSCP and sequencing analysis were performed for identification of genetic defect. RESULTS: Four of 5 ACD patients showed FES which characterized by easily everted eyelid and conjunctival papillary reaction. In one family, succeeding two generations had this feature. We identified R124H mutation in all 5 ACD patients, however, no additional mutation wsa identified in BIGH3 gene. CONCLUSIONS: One case series suggested that there may be some linkage between the genes responsible for ACD and FES.

Clinical evaluation of corneal diseases associated with floppy eyelid syndrome

We examined 18 cases of floppy eyelid syndrome, first reported in the Orient, in patients ranging in age from 11 to 55 years (mean 24 years); 16 were men and two were women. In contrast to previous reports in which almost all patients were obese men, only three of our patients were mildly obese. The most common abnormal corneal finding was punctate epithelial keratopathy (five patients-28%). Keratoconus was detectable in three patients (17%) overall; it was bilateral in one case and unilateral in two. Other miscellaneous corneal findings were corneal astigmatism and corneal opacity. In two cases, we found a familial tendency to skin hyperextensibility and joint hypermobility, and in one case, floppy eyelid syndrome developed after pars plana vitrectomy. The pathogenesis of the syndrome is still unknown, but our findings suggest that the more important pathogenetic risk factors are not obesity and sleeping pattern, but genetic collagen and/or elastin abnormality.