Laser flare intensity in diabetics: correlation with retinopathy and aqueous protein concentration.

Br J Ophthalmol

Department of Ophthalmology, School of Medicine, Kobe University, Japan.

Published: September 1994

The laser flare intensity in diabetics, measured with the scattering of a light beam, was evaluated and compared with actual aqueous protein concentration obtained during surgery. Measurement of the laser flare intensity in 120 diabetics and 108 normal subjects was performed with the laser flare cell meter (FC1000 Kowa, Tokyo). Aqueous protein concentration in 26 diabetics and six controls who underwent intraocular surgery was measured by the method of Bradford. No significant difference in the laser flare intensity was found between normal subjects and diabetics without retinopathy. A significant increase in the laser flare intensity was observed after six decades in diabetics with background retinopathy and all with proliferative retinopathy. The laser flare intensity correlated with the duration of diabetes mellitus. There was a significant linear relation between the laser flare intensity and actual aqueous protein concentration. The linear regression formula was X = Y1.39 x 1.02 (X = protein concentration, mg/dl; Y = flare intensity, photon counts/ms). The precise value of the laser flare intensity provides a new indicator to evaluate the diabetic change in the function of the ocular barrier.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC504907PMC
http://dx.doi.org/10.1136/bjo.78.9.694DOI Listing

Publication Analysis

Top Keywords

laser flare
36
flare intensity
36
protein concentration
20
aqueous protein
16
laser
9
intensity
9
flare
9
intensity diabetics
8
actual aqueous
8
normal subjects
8

Similar Publications

Acne vulgaris is a globally prevalent dermatological condition associated with substantial physical and psychological burden. Although acne typically presents during adolescence, it is a chronic condition that also affects many adults. Despite the spectrum of treatments available for acne, limitations in tolerability and safety concerns can present challenges for the use of conventional medications in clinical practice.

View Article and Find Full Text PDF

Purpose: To describe a case series of presumed Sympathetic Ophthalmia (SO) triggered by diode laser cyclophotocoagulation (CPC) for the treatment of neovascular glaucoma.

Methods: Patients developing bilateral granulomatous uveitis after CPC between 2014 and 2024. Cases with prior ocular trauma or penetrating ocular surgery were excluded.

View Article and Find Full Text PDF

Introduction/aims: Diabetic peripheral neuropathy affects small nerve fibers early, but adequate evaluation has proven difficult. One method for functional assessment of small nerve fiber function is the axon-reflex flare (ARF) response. This study aimed to 1) validate the histamine-induced ARF response in a nonselected population with diabetes, 2) compare the response to that induced by local heating, and 3) compare both methods to an established method (quantitative sensory testing) in a nonselected population with diabetes.

View Article and Find Full Text PDF

Background: The 650-ms, 1064-nm Nd:YAG laser device may provide superior efficacy and tolerability for the treatment of acne vulgaris over conventional treatments.

Aim: To evaluate the efficacy and tolerability of a 650-ms laser for the treatment of mild to severe facial acne vulgaris.

Patients/methods: Records of 225 subjects with mild to severe facial acne vulgaris and treated with a 650-ms laser were reviewed.

View Article and Find Full Text PDF

Background: Hidradenitis suppurativa (HS) is a multifactorial disease that presents with chronic cycles of inflammation, healing, and scarring and that elicits a profoundly negative impact on patient quality of life regarding self-image, fear of stigmatization, and social isolation. Patients commonly develop painful, odorous abscesses that evolve into draining sinus tracts and disfiguring scarring.

Objective: While systemic medications and surgical therapies are often effective in reducing active lesion activity and inflammation, these therapies sometimes only provide modest success in the prevention of future recurrences and disease progression, warranting adjunctive therapies such as laser and light-based therapies.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!