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Humphrey field analyser ( HFA) is a tool for measuring the human visual field that is commonly used by optometrists, orthoptists and ophthalmologists, particularly for detecting monocular visual field. [1] The results of the analyser identify the type of vision defect. Therefore, it provides information regarding the location of any disease ...
28629-4. A visual field test is an eye examination that can detect dysfunction in central and peripheral vision which may be caused by various medical conditions such as glaucoma, stroke, pituitary disease, brain tumours or other neurological deficits. Visual field testing can be performed clinically by keeping the subject's gaze fixed while ...
Confrontation visual field testing is a test used in ophthalmology for rapid and gross detection of large-scale visual field problems. It is done by asking the patient to look directly at the examiner's eye or nose and compare the patient's visual field with the examiner's field. It can be used to test the binocular visual field (with both eyes ...
Low-quality 6 mm 0.12 g plastic airsoft pellets. Airsoft pellets (known as BBs) are spherical projectiles used by airsoft guns.Typically made of plastic, they usually measure around 6 mm (0.24 in) in diameter (though selective models use 8 mm), and weigh 0.20–0.40 g (3.1–6.2 gr), with the most common weights being 0.20 g and 0.25 g, while 0.28 g, 0.30 g, 0.32 g and 0.40 g BBs are also ...
Airsoft guns, airsoft pellets, goggles. Airsoft, also known as survival game ( Japanese: サバイバルゲーム, romanized : sabaibaru gēmu) in Japan where it was popular, is a team-based shooting game in which participants eliminate opposing players out of play by shooting them with spherical plastic projectiles shot from airsoft guns .
Insight Technology, Inc. is an optical device manufacturer based in Londonderry, New Hampshire, USA . Insight Technology builds firearm accessories such as tactical flashlights and laser aiming modules, for military and civilian markets. The company is best known for making the AN/PEQ-2 and AN/PEQ-6 laser sights used by some branches of the ...
418th Flight Test Squadron. Edwards AFB. Tanker/Airlift Flight Test. 419th Flight Test Squadron. Edwards AFB. Bomber Flight Test. 420th Flight Test Flight. Phoenix-Mesa Gateway Airport. T-38 Talon.
Direct-field acoustic testing, or DFAT, is a technique used for acoustic testing of aerospace structures by subjecting them to sound waves created by an array of acoustic drivers. [1] The method uses electro-dynamic acoustic speakers, arranged around the test article to provide a uniform, well-controlled, direct sound field at the surface of ...