Neuropathology and Therapeutics Addressing Glaucoma, a Prevalent Retina-Optic Nerve-Brain Disease that Causes Eyesight Impairment and Blindness

نویسندگان

چکیده

Glaucomatous optic neuropathy (GON) associated with different forms of glaucoma and chronic ocular hypertension (cOHT) is characterized by progressive loss retinal ganglion cells their axons in the nerves that project to brain transmit visual information. The resultant thinning cause peripheral vision, which if not halted or slowed, can lead irreversible blindness. Whilst precise triggering insult(s) for primary open angle (POAG), most prevalent glaucomas, remains unknown, prominent risk factors include elevated intraocular pressure, increasing age, African-American heritage (genetic predisposition), family history, low cerebral spinal/intracranial vascular dysfunctions within retina. However, whilst reduction IOP topical ocularly administered medications first-line therapeutic approach address cOHT / POAG, surgical procedures aqueous humor drainage devices are also useful means lower IOP. It hoped intense research into mechanisms underlying neurodegeneration has potential discovery neuroprotective neuroregenerative agents s technologies including novel sustained drug delivery platforms, gene therapy, cell physical support systems, food-derived nutrient treatments, neurostimulation via optogenetic, electrical sonogenetic tools, yielding suitable treatments treat POAG attendant GON.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

A silicon retina that reproduces signals in the optic nerve.

Prosthetic devices may someday be used to treat lesions of the central nervous system. Similar to neural circuits, these prosthetic devices should adapt their properties over time, independent of external control. Here we describe an artificial retina, constructed in silicon using single-transistor synaptic primitives, with two forms of locally controlled adaptation: luminance adaptation and co...

متن کامل

Causes of blindness and visual impairment in Nigeria: the Nigeria national blindness and visual impairment survey.

PURPOSE Determine causes of blindness and visual impairment among adults aged >or=40 years. METHODS Multistage, stratified, cluster random sampling with probability proportional to size procedures were used to identify a nationally representative sample of 15,027 persons >or=40 years of age. Distance vision was measured with a reduced logMAR tumbling E-chart. Clinical examination included a b...

متن کامل

Optic nerve and choroidal circulation in glaucoma.

PURPOSE To investigate the circulation of the optic nerve head and choroid in patients with glaucoma. METHODS Laser Doppler flowmetry was used to determine optic nerve head relative blood velocity (ONVel), volume (ONVol), and flow (ONFlow) in 19 primary open-angle glaucoma patients and 15 age-matched healthy control subjects. In each subject, determinations were obtained from four sites on th...

متن کامل

Optic nerve head drusen and glaucoma.

The simultaneous occurrence of both optic nerve head drusen and glaucoma may make it difficult to evaluate visual field defects and the appearance of the optic nerve head. We saw five patients with both conditions, of whom four had pigmentary glaucoma or pigmentary dispersion syndrome. Drusen do not preclude the development of cupping, and they make it difficult to interpret its significance. M...

متن کامل

Eye Fundus Image Processing System for Automated Glaucoma Classification

Glaucoma is an eye disease that threatens the eyesight of the patients. As the disease progresses, nerve fibers in the retina die, which, if left untreated, leads to blindness. In Germany around 5% of the population (5 mill.) live with a glaucoma risk while around 800.000 people suffer from glaucomatous damages [1]. Although glaucoma cannot be healed, the progression can be stopped. Therefore, ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: OBM neurobiology

سال: 2022

ISSN: ['2573-4407']

DOI: https://doi.org/10.21926/obm.neurobiol.2201116