Mindblown: a blog about philosophy.
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Lenticulothalamic
To the lenticular nucleus and the thalamus.
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Lenticulostriate
To the lenticular nucleus and corpus striatum of the basal ganglia.
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Lensectomy
The surgical removal of the lens of the eye.
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Zoom lens
A type of lens that can be adjusted to focus on near or distant objects. A remarkable category of camera lens, utilized in both photography and television, is the variable focal length objective. This innovative design grants the ability to achieve diverse magnifications without necessitating any physical movement of either the camera or the subject…
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Toric contact lens
A contact lens with two separate curvatures. It can be used, for example, to correct simultaneously astigmatism and distance vision. A contact lens with two separate curvatures. It can be used, for example, to correct astigmatism and distance vision simultaneously.
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Spherical lens
A lens in which all surfaces are spherical.
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Soft contact Iens
A contact lens made of flexible, translucent materials. These lenses are more comfortable, can be worn longer, and are harder to displace than hard lenses, but there are disadvantages. They may not provide the same degree of visual acuity as hard lenses and they require more cleaning and disinfection. Tear production may be decreased, esp.…
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Orthoscopic lens
A lens that produces no distortion of the periphery of the image.
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Oil immersion lens
A special lens with oil placed between the lens and the object being visualized. This eliminates a layer of air between the microscope slide and the lens, producing a clearer image than would be the case if the oil were not used.
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Gas permeable lens
A contact lens that allows oxygen to pass through it — enhancing eye health, lens durability, and comfort. Gas permeability derives from the incorporation of silicone in lens plastic. GP lenses are used to manage visual conditions such as astigmatism, keratoconus, and presbyopia.
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