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E-learning is emerging as the new paradigm of modern education. Worldwide, the e-learning market has a growth rate of 35.6%, but failures exist. Little is known about why many users stop their online learning after their initial experience. Previous research done under different task environments has suggested a variety of factors affecting user(More)
This paper investigated the value of including ‘‘playfulness’’ in expectation-confirmation theory (ECT) when studying continued use of a web site. Original models examined cognitive beliefs and effects that influence a person’s intention to continue to use an information system. Here, an extended ECT model (with an additional relationship between perceived(More)
BACKGROUND Stevens-Johnson syndrome, ocular pemphigoid, and thermal or chemical burns can cause scarring and opacification of the cornea and loss of vision. Transplantation of epithelial cells from the limbus of the contralateral cornea can restore useful vision. However, this procedure requires a large limbal graft from the healthy eye and is not possible(More)
AIM To study the efficacy and safety of amniotic membrane graft as an adjunctive therapy after removal of primary pterygium, and to compare the clinical outcome with conjunctival autograft and topical mitomycin C. METHODS 80 eyes of 71 patients with primary pterygia were treated with excision followed by amniotic membrane graft. The result was compared(More)
PURPOSE To test the efficacy of a recombinant adeno-associated virus (rAAV) vector that expresses mouse angiostatin in suppressing experimental choroidal neovascularization (CNV) in a rat model. METHODS An rAAV vector, rAAV-angiostatin, was constructed to deliver the mouse angiostatin gene. rAAV-angiostatin and a control virus, rAAV-lacZ, were delivered(More)
AIMS To assess the clinical pictures, possible pathogenesis, management, and therapy of patients with infectious scleritis associated with multifocal scleral abscesses following pterygium excision. METHODS The records of patients with infectious scleritis after pterygium excision who developed multifocal scleral abscesses presenting from 1988 to the end(More)
Limbal allograft transplantation was performed consecutively in 16 eyes with thermal or chemical burns (n = 5), Terrien's degeneration (n = 2), congenital sclerocornea (n = 1), Stevens-Johnson syndrome (n = 1), and chronic keratoconjunctivitis (n = 7), by transplanting randomly selected cadaver limbocorneal grafts to the recipient eye that had received(More)
PURPOSE To evaluate age-related changes in astigmatism of both corneal surfaces and the whole cornea. METHODS The right eyes of 370 subjects were measured with a rotating Scheimpflug camera (Pentacam). Astigmatisms of the anterior and posterior corneal surfaces were determined. The total corneal astigmatism was derived using power vector summation and(More)
PURPOSE To investigate whether recombinant adeno-associated virus (rAAV) vector--mediated transgene expression is induced by inflammation in corneal endothelial cells in vivo. METHODS The ocular anterior chamber of New Zealand White rabbits was injected with rAAV-LacZ (10(7) units of infection). Transient ocular anterior segment inflammation was induced(More)
Destruction of corneal surface was created in one eye of 24 rabbits by n-heptanol corneal epithelial debridement and surgical removal of limbal zone. One month later, the animals were equally subdivided into three groups of eight for limbal transplantation, conjunctival transplantation, and control without transplantation. During a 6-month postoperative(More)