Related Experiment Video
Updated: Feb 9, 2026

09:29
A Standardized Obstacle Course for Assessment of Visual Function in Ultra Low Vision and Artificial Vision
Published on: February 11, 2014
13.5K
Restoring Vision to the Blind with Chemical Photoswitches
Ivan Tochitsky1,2, Michael A Kienzler3, Ehud Isacoff4,5,6
1F.M. Kirby Neurobiology Center , Boston Children's Hospital , Boston , Massachusetts 02115 , United States.
Chemical Reviews
|June 7, 2018
Summary
Chemical photoswitches offer a promising new therapy for blindness caused by degenerative retinal diseases like retinitis pigmentosa and age-related macular degeneration, restoring visual function.
Area of Science:
- Ophthalmology and Neuroscience
- Chemical Biology and Synthetic Chemistry
Background:
- Degenerative retinal diseases, including retinitis pigmentosa (RP) and age-related macular degeneration (AMD), cause irreversible vision loss globally.
- Current therapeutic strategies aim to treat these conditions or restore vision in affected individuals.
Purpose of the Study:
- To review the development and translational application of light-sensitive chemical photoswitches for vision restoration.
- To compare the translational potential of photoswitch therapy with other vision-restoring approaches.
Main Methods:
- Utilizing chemical synthesis, chemical biology, and molecular biology to create and apply photoswitches.
- Evaluating the efficacy and applicability of photoswitches in restoring visual function to the blind retina.
Main Results:
- Light-sensitive chemical photoswitches demonstrate potential for restoring visual function in retinas affected by degenerative diseases.
- The fusion of multiple scientific disciplines enables this innovative therapeutic strategy.
Conclusions:
- Photoswitch therapy presents a viable and broadly applicable strategy for treating blindness.
- This approach holds promise for chemists, neuroscientists, and clinicians in the field of vision restoration.
Related Concept Videos
Blind Procedures
13.6K
Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
13.6K
Blinding
4.0K
Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
4.0K
Restorative Care
2.4K
Restorative care is provided once a patient has been discharged from a healthcare facility and requires additional services. The additional services include home care, rehabilitation programs, and extended care. Restorative care centers help the patient regain their previous level of functioning or acquire a new level of functioning due to the incapacitating effects of a disease or a disability. It aims to assist patients in enhancing their quality of life by encouraging independence,...
2.4K
Vision
60.1K
Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
60.1K
Color Vision
1.5K
Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
1.5K
Chemical Formulas
61.4K
A chemical formula presents information about the proportions of atoms constituting a particular chemical compound or molecule, mainly using symbols of elements and numbers. At times other symbols, such as dashes, parentheses, brackets, commas, plus, and minus signs, are also used. A chemical formula can be one of three types – molecular, empirical, and structural.
61.4K

