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Results for “Eye Protective Devices”

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At least 145 records · Page 8Linked to original sources
PubMed1986

The spectra, classification, and rationale of ultraviolet-protective intraocular lenses.

I measured the spectral transmittance of 16 implantable intraocular lenses from 12 manufacturers and examined the rationale for using ultraviolet-absorptive intraocular lenses to protect pseudophakic individuals from photic retinopathy. Each ultraviolet-protective lens was classified by the wavelength at which its spectral transmittance fell to 10% in the blue or ultraviolet region of the spectrum. Current ultraviolet-protective intraocular lenses differ in the effectiveness of their protection against photic retinopathy, and product descriptions may be misleading.

Advertising↗
PubMed1986

Upgrading sterilization in the orthodontic practice.

In today's orthodontic practice, disease control must undergo major reevaluation and restructuring. The knowledge of the natural history and treatment of many highly transmissible diseases to which orthodontic personnel are at high risk is changing rapidly. Among these diseases are acquired immune deficiency syndrome (AIDS), hepatitis B virus, and the herpesvirus complex (currently five types). If barrier techniques are not in place, it is possible to cross-infect orthodontic personnel and patients alike. Clinical orthodontics, with its higher volume of patients (on a daily basis) than other dental practices, requires a custom-made sterilization schema tailored to each office. Proper organization of instruments to permit orderly processing, storing, and use is even more important than before. Turnaround time of processing instruments, corrosion control, and minimizing of dulling of cutting edges are critical. Treatment of surfaces and chair/unit facilities with improved disinfection techniques is a necessity. Protection of hands and eyes by appropriate means is discussed with practical guidelines for the use of gloves by chairside personnel. Many fomites (inanimate disease transmitters) lurk in the orthodontic office and must be eliminated. Finally, the most important ingredient to any change--the orthodontic office staff--must be enlightened, trained, and supervised by the orthodontist to effectively and efficiently switch from the old to the new.

Communicable Disease Control↗
PubMed1987

The hazards of hammers.

Fifty-five patients who had received an intraocular foreign body as a result of using a hammer were identified during a 4-year period. Of these, 36 had suffered the injury while at work and 19 while undertaking do-it-yourself activities at home. None had been wearing suitable protection. Seven patients were bystanders and not actually wielding the hammer. Twenty-three patients had a final visual acuity in the affected eye of 6/24 or worse.

Accidents, Home↗
PubMed1993

Caveat surgeon: do orthopaedic surgeons take adequate precautions against blood-borne viral infections, in particular the human immunodeficiency virus (HIV)?

One year ago the British Orthopaedic Association issued guidelines for the prevention of cross-infection with special reference to HIV and the hepatitis viruses. We were interested to establish whether the guidelines were being widely applied and whether they had changed general orthopaedic practice. We distributed a questionnaire to Scottish Orthopaedic Fellows, Associates of the BOA, and orthopaedic trainees. With a 70 per cent return rate, it would appear that the recommendations are not adhered to in full. Of respondents, 84 per cent were immunized or undergoing immunization against hepatitis B. In all, 30 per cent were operating on high-risk patients on a monthly basis, 60 per cent thought that their current practice was low risk, and only 15 per cent thought that their future practice would be high risk; 81 per cent were concerned and yet only 60 per cent had altered their practice. It is of some concern that orthopaedic surgeons may not take the threat of HIV cross-infection seriously enough and do not consider precautions mandatory. Further pressure and support from the BOA may be necessary to encourage a change in orthopaedic practice as the threat of HIV is increasing.

Acquired Immunodeficiency Syndrome↗
PubMed1976

Eye protection from light radiation.

It appears that green absorptive lenses are highly desirable for the purposes of shielding the eyes against light radiation from molten metal during the casting and soldering procedures. The dental laboratory technicians have experienced no after-images, less eye fatigue, and no adverse symptoms when using these lenses, as were reported previously. The lenses not only effectively protect the eyes from the injurious light wavelengths, but they also provide for enough normal (as well as individually corrected) vision to accomplish any procedure necessary in the dental laboratory. We propose that the green absorptive lenses, with individual corrections if needed, be considered for dental laboratory technicians during dental laboratory procedures when needed, such as during casting and soldering, to protect their eyes from light radiation.

Color↗
PubMedDate not supplied

Sports-related eye injury. A preventable problem..

Sports-related eye injuries pose a substantial and preventable problem. Ophthalmologists, by educating their patients regarding the risks of eye injuries in various sports and the benefits availability of protective equipment, have the potential to prevent injury to well over 100,000 eyes each year. General guidelines and recommended levels of eye protection for various sports are given. The appendix lists suppliers of protective equipment.

Athletic Injuries↗
PubMed1982

Astigmatic visual and deprivation in cat: behavioral, optical and retinophysiological consequences.

Kittens were deprived of clear vision in one eye only by +7D or -7D cylindrical lenses worn from eye opening until 7.5 months of age. Behavioral measurements subsequently demonstrated diminished acuity through the affected eye relative to the opposite control eye. However, single unit recordings at 3.5 years of age from retinal ganglion cells located within 1-11 degrees of the centre of the area centralis showed neither loss of grating resolution nor any abnormal orientation bias. Furthermore, the astigmatic rearing had minimal effect on the development of the cat's natural optics to the emmetropic state. The experiments indicate that the amblyopic defect induced by the cylindrical lenses occurs in the brain rather than the eye.

Age Factors↗
PubMed1991

Modifications of spontaneous oculomotor activity in microgravitational conditions.

Investigations on spontaneous oculomotor activity were carried out prior to and after (five cosmonauts) and during space flight (two cosmonauts) on the 3rd, 5th and 164th days of the space flight. Recording of oculomotor activity was carried out by electrooculography on automated data acquisition and processing system "Zora" based on personal computers. During the space flight and after it all the cosmonauts with the eyes closed or open and dark-goggled showed an essential increase of the movements' amplitude when removing the eyes into the extreme positions especially in a vertical direction, occurrence of correcting saccadic movements (or nystagmus), an increase in time of fixing reactions.

Eye Movements↗
PubMed1995

The acceptability of a multileaf collimator as a replacement for conventional blocks.

A multileaf collimator (MLC) can be used as a replacement for conventional blocks as well as for conformal radiotherapy. This study has assessed the possibility of using a Philips MLC for 218 patients treated with conventionally blocked fields. It was found that MLC field shaping would have been appropriate for over 94% of such patients. The facility to treat large blocked fields has been found to be particularly useful. Use of the predefined shapes stored in the Regular Shape Library provided by Philips was evaluated and it was found that an appropriate shape was available in 52% of cases. The application of MLC fields to the treatment of different anatomical sites is discussed.

Equipment Design↗
PubMed1991

Tanning salons: an area survey of proprietors' knowledge of risks and precautions.

An area survey of tanning salon proprietors was conducted in a medium-sized midwestern city. Proprietors reported they were in compliance with federal safety regulations, but not all had age, frequency, or duration restrictions. Similarly, proprietors were not uniformly informing patrons of potential tanning hazards, including the possibility of skin cancer, and were not knowledgeable about the risk and benefits of tanning. Some establishments reported selling psoralens to patrons to enhance tanning. More explicit guidelines regarding the use of tanning equipment and more accurate consumer information are needed.

Adolescent↗
PubMed1994

Use of universal precautions in interventional radiology: results of a national survey.

OBJECTIVE: To determine current use of universal precautions by practicing interventional radiologists in the United States. METHODS: National survey mailed to interventional radiologists, conducted anonymously in November 1991. Of 1530 survey forms mailed to practicing interventional radiologists, 817 (53%) were returned and 804 (52%) were completed and evaluable. Both academic and private practice settings were represented. RESULTS: Eighty-five percent of respondents had changed their use of infection control measures in the previous 10 years. Of these, 96% cited personal concerns about AIDS as a reason for making changes. Sixty-two percent made changes in response to Centers for Disease Control and Prevention and Occupational Safety and Health Administration recommendations as well. Use of barrier precautions was quite variable. Although 86% of respondents always wore a sterile gown during procedures, only 32% routinely wore a face mask or shield and only 29% of those who did not wear corrective glasses routinely wore protective eye gear during procedures. Seven percent of respondents routinely double gloved for procedures. Twenty percent of reported percutaneous injuries occurred during recapping of used sharps; an additional 6% were related to improper disposal of used sharps. CONCLUSIONS: We conclude that use of universal precautions by interventional radiologists in the United States is variable. Some practices that may lead to preventable injury to health care workers remain common.

Acquired Immunodeficiency Syndrome↗
PubMed1991

Blood splashes to the eyes in oral and maxillofacial surgery, and the risks of HIV transmission.

The risk of transmission of HIV through blood and saliva splashes to the mucous membranes around the face is unknown. Orthopaedic surgeons are very aware of possible risks and are beginning to take appropriate precautions. This present study indicates that oral and maxillofacial surgeons have similar risk factors, and the minimal precaution of wearing protective glasses should be recommended for all intraoral and extraoral surgery.

Adult↗
PubMed1994

Unusual visual stimulation in dynamic balance conditions: proposal for a space motion sickness test.

We previously demonstrated the efficiency of normal vision/unusual vestibular cues conflict to induce motion sickness. In the present study, we investigate whether, inversely, unusual visual information/normal vestibular function conflict also elicited motion sickness. The experiments were again carried out in dynamic balance conditions to increase proprioceptive input. Circular translation of the visual field with diplopia were produced by rotating Fresnel prismatic glasses. The stimulation triggered SMS-like symptoms and dynamic balance disturbance. A positive relationship was found between discomfort and balance disturbance. Unusual visual information should therefore be included in Space Motion Sickness susceptibility testing.

Adult↗