Doctor

Indications for cataract surgery in children

Congenital cataracts can cause visual impairment in children[1]. It causes approximately 10% of cases of childhood blindness worldwide[2]. In particular, a significant portion of cases si......

Leggi

Trans-scleral outflow and glaucoma

The increasing use of antiglaucomatous drugs active on the uveo-scleral pathways (mainly prostaglandins and prostanoids) has in recent years renewed interest in the pathophysiological study of these outflow pathways.

As is well known, most of the aqueous humour produced is drained via a pressure-dependent pathway at the level of the trabecularis; it is estimated that about 70-80 % of intra-ocular fluid is......

Leggi

the gold nanoparticles (Au-NPs) they certainly have good potential, by virtue of their low cytotoxicity, their ability to withstand surface modifications induced by thiol-containing molecules, to immobilise a wide range of biomolecules (amino acids, enzymes, DNA) and for their high optical extinction coefficient.

Introduction Nanoparticles are, by definition, three-dimensional particles of nanometre (0-100 nm) size. In the field of ophthalmology, interest in them relates to the ability of some of them to......

Leggi

Treatment of dry eye syndromes

A new indication for local steroid therapy

Dry eye is among the most frequent pathological conditions in ophthalmology. Up to 20% of adults over the age of 40 have dry eye symptoms. The origin of this......

Leggi

Retinitis pigmentosa and surgical therapy

Retinitis Pigmentosa is a rare hereditary disease that results in progressive vision loss.

About 15,000 people in Italy suffer from Retinitis Pigmentosa. The disease takes a different course depending on the case, manifesting itself at different ages but with increasingly disabling effects on life......

Leggi

Treatment of dry eyes - P. Aragona

The production and turnover of an efficient tear film is an essential condition for ocular surface health.

The eye is coated on the outside with a thin layer of tears, called the tear film, which is the complex end product of the activity of structures belonging to a functional unit known as the ocular surface.......

Leggi

Hyaluronic acid updates

Hyaluronic acid is a high molecular weight polyanionic polysaccharide with a typical spiral structure that gives it a particular ability to combine with water1 and excellent viscoelasticity. A ciò......

Leggi

Age-related macular degeneration (AMD) is the leading cause of severely reduced visual acuity in people over 60 in the western world. It is a complex disease that recognises several risk factors such as age, gender, race, light exposure, diet, cigarette smoking and vascular disease.

Recently, other elements seem to play an important role in the pathogenesis of the disease: variations in DNA sequences coding for complement factors, modifications of TMP-3 and activation of cytokines......

Leggi
Congressi