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Results for “Eye Protective Devices”

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At least 1,099 records · Page 61Linked to original sources
PubMed1993

[Facial mask--effective protection against blood spattering].

The protective effect of a see-through face visor was evaluated in four different types of operation. In a clinical trial, the visor was used 150 times by eight different surgeons, and the number of blood spatters, type of operation and blood loss was registered. There was no correlation between the size of the blood loss and the number of blood spatters. At caesarean section, a median of four blood spatters per operation was found on the visor. At the other three types of operation (hysterectomy, operation for vaginal prolapse and episiotomy) the median was one blood spatter per operation. The area surrounding the eye constituted three percent of the visor's area. We thus found the risk of getting a blood spatter in the area of the eye at caesarean section to be four percent (95% confidence limits 0.1-20.4). In conclusion, we found the face visor offered good protection against blood spatters.

Blood↗
PubMed1993

Prescribing for noncontact sports.

Outdoor sports activities such as bicycling, motorcycling, skiing, mountain climbing, running, golf, and flying do not require eyewear to be prescribed primarily on the basis of its impact resistance but rather on the basis of its capacity to provide the participant with protection from ultraviolet radiation. To prescribe the appropriate eyewear, optometrists must be familiar with prevailing standards for protection from ultraviolet radiation, the transmittance characteristics of various ophthalmic lens materials, and the use of tints, and must recommend the eyewear best suited for the activity to be performed.

Athletic Injuries↗
PubMed1993

Prescribing for contact sports.

Polycarbonate lenses should be prescribed for wear by participants of contact sports during athletic activities. Frames that meet the specifications of American Society for Testing and Materials F803-88a should be prescribed for sports in which there is a significant risk of eye injury. Because of the high-energy collisions in some sports, helmets are also essential for both face and eye protection. Functionally one-eyed athletes should not participate in sports in which adequate eye protection is not available. It is inadvisable to recommend radial keratotomy to athletes who will participate in contact sports.

Athletic Injuries↗
PubMed1993

Legal aspects of sports vision.

Legal claims brought by athletes or sportsman suffering ocular injury from ophthalmic lenses or frames allege that the lenses or frames were defective or that the prescribing practitioner was negligent. Practitioners should take an adequate history before prescribing eyewear for patients who participate in sports, and when a reasonable risk of injury is present, polycarbonate lenses and frames meeting American Society for Testing and Materials (ASTM) F803-88a standards should be prescribed.

Athletic Injuries↗
PubMed1993

Ophthalmic lenses for athletes and sportsmen.

This paper describes a protocol for prescribing and dispensing ophthalmic products to athletes and sportsmen and provides a description of lens characteristics and properties that are generic for the needs of sports-minded patients. Technical information on lens materials, treatments, dyes, and coatings essential for the prescribing and dispensing of ophthalmic products to athletes are discussed in the context of this protocol. Knowledge of ophthalmic lens standards, especially those that pertain to impact resistance and radiant energy attenuation, are also described. A sports lens selection checklist is provided for dispensers who apply this protocol to the selection of appropriate eyewear for athletically inclined patients.

Eye Protective Devices↗
PubMed1993

Prescribing for marksmen and hunters.

Marksmen and hunters present unique challenges to the prescribing optometrist. History-taking must be thorough, to discover the specific interests of the patient, the weapon used, and the level of skill. Appropriate protective eyewear should be prescribed for all hunters and marksmen, with well-designed frames and polycarbonate lenses. Providing excellent distance acuity is an obvious requirement for these persons, and not only Snellen charts but also contrast sensitivity may be used to measure acuity. The most demanding patient is a presbyopic pistol shooter, who may require the use of apertures, low plus lenses or adds, or special design eyewear to provide the acuity needed for the alignment of front and rear sights. Another problem is eye dominance, which may be a consideration for left-eye (crossed) dominant individuals. Physiological diplopia may be a concern for beginning marksmen, and occlusion of the nonsighting eye or training to learn to ignore the diplopia may be necessary. Optometrists should be prepared to offer these and other services to this interesting class of patients.

Diplopia↗
PubMed1993

Prescribing for water sports.

Recreation is a dynamic aspect of modern day life. Providing the ametropic patient with equal access to recreation fulfills the mission of the eye care professional. The astute practitioner must balance the ethical values of prescribing in the best interest of the patient with the desire to do no harm. Knowledge of the demands presented by water sports and of the risks presented by the aqueous environment must be balanced with an understanding of available contact lenses, proper regimens for lens wear and care, and the appropriate use of available protective eyewear. Patient education and instruction is also necessary for the management of risk and to optimize the benefits of vision correction for water sports.

Contact Lenses↗
PubMed1977

Hazardous duty?

Explore the source record for details and available documents.

Animals↗
PubMed1993

[Efficiency of eye shields during phototherapy].

The penetrance of light through 21 different types of eye shields used in Danish neonatal care units was evaluated. A phototherapy unit (Dräger Phototherapiegerät 800) with a visual illuminance of 8317 Lux was placed in a distance of 39 cm from a photographic lightmeter (Minolta Autometer IIIF). The opening of the meter was covered by the various shields tested. The penetrance varied between 1.0 and 2886 Lux. The most effective shield was made of three layers of green, tightly woven cotton. A commercially made eye shield (Posey Eye Protector 4646) was able to reduce visual illuminance to 118 Lux (ambient light in our nursery was 20-139 Lux). A tubular stockinette covering was found to be ineffective as thicknesses of 1-16 layers was able to reduce penetrance to only 2886-1055 Lux. The use of an eye protector made of three layers of green cotton, sized 140 x 50 mm is recommended.

Eye Protective Devices↗
PubMed1993

Laser hazards in research laboratories.

Laser use is expanding rapidly in laboratories, where multiple use strategies of research are not often amenable to laser engineering safeguards employed in industry. We report on five cases of laser-associated incidents requiring medical follow-up from a single research institution, and present exposure circumstances from four other incidents. Eye injuries from direct and reflected beams resulted from open alignment procedures in the absence of appropriate eye protection. Nd:YAG lasers operated with doubling crystals appear to create a considerable risk. For several reasons, we believe the importance of laser-associated injuries are underestimated and the incidence underreported in the research setting. Although knowledge personnel are shown to suffer lapses in standard operating procedures, most incidents and all injuries involved relatively inexperienced personnel. We propose that research laser users be registered and required to undergo formal training in laser safety. Student researchers are a key target population. Collaborative implementation between the equipment supplier and research user will be required to achieve this widespread implementation of effective training.

Accidents, Occupational↗
PubMed1977

Welding light.

Two types of electric welding, welding with gas-shielded arcs and welding with coated electrodes, are considered in this paper. The possible radiation injuries to the eye are described, and the measures for protection discussed.

Eye Injuries↗