摘要:

The authors present an indirect photocoagulation method which can terminate arteriolar aneurysm while maintaining the patency of the vessel. This is essential if the aneurysm is located near the macula lutea. Coagulating on the boundary of the lesion, a fibrous scar could generate which, by scarring gradually, could terminate the aneurysm without obliterating it. In the case reviewed, the scarring process lasted about 3 months, the clearing of hard exudates took more than a year, and thereafter visual acuity improved significantly but relative central scotoma remained.

ISSN:1755-375X    

DOI:10.1111/j.1755-3768.1973.tb08255.x

出版商:Blackwell Publishing Ltd    

年代:1973

数据来源: WILEY

摘要:

The literature on the use of propranolol (Inderal® I.C.I.) in ophthalmology is surveyed and the successful use of the drug in the treatment of increased intraocular pressure is documented by four illustrative case reports

ISSN:1755-375X    

DOI:10.1111/j.1755-3768.1973.tb08256.x

出版商:Blackwell Publishing Ltd    

年代:1973

数据来源: WILEY

摘要:

Three female patients with acute multifocal subretinal central lesions and with almost complete recovery of macular function are presented. The findings and the course of the disease are very similar to acute posterior multifocal placoid pigment epitheliopathy described initially by Gass in 1968. Etiology of the disease could not be determined, but the history of solar exposition in two patients suggests the possibility of an exogenous factor.In the presented cases, fluorescein angiographic findings suggest primary alterations in the choriocapillaris rather than in the pigment epithelial cells.

ISSN:1755-375X    

DOI:10.1111/j.1755-3768.1973.tb08257.x

出版商:Blackwell Publishing Ltd    

年代:1973

数据来源: WILEY

摘要:

Under normal conditions the mammalian cornea is highly transparent over a broad wavelength range. In the wavelength range of the highest receptor sensibility, i.e. 5000–6000 Å, the cornea transmits more than 90% of the incident radiation intensity. Recent measurements on the rabbit's cornea show that the transmission at 6000 Å is about 94%, the residual 6% being scattered or absorbed. Under pathological conditions the scatter from different parts of the cornea may change drastically. The purpose of this work was to measure the intensity of back scattered light as a function of depth in the rabbit's cornea during changes in the intraocular pressure. It was found that the anterior half of the stroma always gives rise to stronger scatter than the posterior half. Increasing intraocular pressure usually increases the scatter from the anterior side of the stroma while scatter from the posterior side is essentially unaffected. The behaviour is in accordance with theoretical expectati

ISSN:1755-375X    

DOI:10.1111/j.1755-3768.1973.tb08258.x

出版商:Blackwell Publishing Ltd    

年代:1973

数据来源: WILEY

摘要:

Fluorexon is a large‐molecular fluorescein derivative, which may be of use in the fitting of soft contact lenses.Its staining properties have been assessed by slit lamp examination of 146 eyes and microscopy of 40 preparations.The dye effected partly fluorescent and partly nonfluorescent staining. Both components were best seen in cobalt‐filtered light. The fluorescent component was noticed in the presence of epithelial defects, corresponding to the conditions seen after staining with fluorescein, though of a much lower grade. The non‐fluorescent component represented staining of dead or degenerate cells, thus having the same properties as rose bengal, though likewise staining less intensely.Using fluorexon instead of fluorescein and rose bengal will obscure information concerning various important facts (punctate fluorescein staining, epithelial blebs, epithelial defect of dendritic pattern, mild keratoconjunctivitis sicca,

ISSN:1755-375X    

DOI:10.1111/j.1755-3768.1973.tb08259.x

出版商:Blackwell Publishing Ltd    

年代:1973

数据来源: WILEY

摘要:

The corneal thickness was measured in 114 cases prior to cataract extraction. On the second postoperative day a 15 per cent increase of the thickness was noticed, and on the sixth postoperative day a 9 per cent increase. At a follow‐up 6 to 12 months later the thickness was as before the operation. Half of the eyes were vital‐stained during the operation by filling the anterior chamber with 0.1% trypan blue. Such staining has no harmful effect on the corneal endothelium, assessed by the corneal thickness and by occurrence of corneal epithelium oed

ISSN:1755-375X    

DOI:10.1111/j.1755-3768.1973.tb08260.x

出版商:Blackwell Publishing Ltd    

年代:1973

数据来源: WILEY

摘要:

Five Goldmann‐tonometers have been used clinically over a two‐year period. They have been exposed to continuous ultraviolet light during working hours in five sterilizers constructed by us. The distance between burner and prism base is 10 cm.The tonometer prism will last for 6 months, or about 1000 hours of effective disinfection of the prism b

ISSN:1755-375X    

DOI:10.1111/j.1755-3768.1973.tb08261.x

出版商:Blackwell Publishing Ltd    

年代:1973

数据来源: WILEY

摘要:

A clinical and histopathological study was made in 19 cases of pilomatrixoma (epithelioma calcificans Malherbe). Clinically the analysis confirmed that pilomatrixoma is often found in young females, usually above the palpebral fissure. Pilomatrixoma is a solid tumour adherent to the skin but not to the underlying tissue.The histological picture shows epithelial strands and islands of characteristic “shadow cells”. The stroma is characterized by granulation tissue with foreign body giant cells. Calcifications almost always occur. The tumour is benign. Malherbe stated that the lesion was developed from the sebaceous glands, but to‐day the tumour is believed to originate from hair matrix cells. The name pilomatrixoma was therefore suggested as a better term. In none of the present cases was the correct diagnosis made clinically. In view of the difficulty in diagnosis it is emphasised that every tumour removed should be referred for histological examin

ISSN:1755-375X    

DOI:10.1111/j.1755-3768.1973.tb08262.x

出版商:Blackwell Publishing Ltd    

年代:1973

数据来源: WILEY

摘要:

A modification of Moellering&Gruber's enzymatic‐spectrophotometric method (1966) has been employed for determining the pyruvate and citrate concentrations in rabbit aqueous humour. Aqueous humour samples from non‐fasting, female albino rabbits of Danish country breed, aged from 4 to 36 months, were found to have the following concentrations (mean ± s.d.):pyruvate (28 animals): 339 μmol/1 ± 50citrate (28 animals): 354 μtmol/1 ± 48glucose (9 animals): 6.1 mmol/1 ± 0.6, determined with a Beckmann glucose analyzer.The following concentration ratios were found in rabbit aqueous humour:pyruvate/citrate: 0.98 ± 0.18, glucose/pyruvate: 19.2 ± 2.2, and glucose/citrate: 17.3 ± 2.5.The pyruvate/citrate ratio was found to decrease with increasing age (0.05>P>0.02).Citrate and pyruvate determinations in the same watery pool yielded a day‐to‐day accuracy of the method expressed by coefficients of variation of 7.6% for pyruvate and

ISSN:1755-375X    

DOI:10.1111/j.1755-3768.1973.tb08263.x

出版商:Blackwell Publishing Ltd    

年代:1973

数据来源: WILEY

摘要:

The frequency of defects in the pigmented pupillary ruff has been studied in 75 persons with and 8,462 persons without fibrillopathia epitheliocapsularis (pseudo‐exfoliation). In eyes without fibrillopathy the total frequency was 6.1%, increasing from 0.7% in the age group 40–49 years to 66.7% for persons above 90. In eyes with fibrillopathy, the total frequency was far higher, 74%, increasing from 42% in the age group 50–59 years to 90% in patients over 80. In persons with unilateral fibrillopathy the frequency of pupillary ruff was twice as great in eyes with fibrillopathy as it was in those without. It is assumed that in eyes with fibrillopathy there is an adhesion between the pigment layer of the iris and the anterior surface of the lens. Movements of the iris may then cause destruction of the iris pigment cells, followed by gradual depigmentation of the pupillary

ISSN:1755-375X    

DOI:10.1111/j.1755-3768.1973.tb08264.x

出版商:Blackwell Publishing Ltd    

年代:1973

数据来源: WILEY