'considerably restricted' is correct and usable in written English.
You can use it in situations where what you are discussing has been severely limited or has lesser options available, compared to before. For example, "Due to the pandemic, our range of travel options is considerably restricted."
The Russians have considerably restricted a number of areas in East Germany to the British, French and Americans, marking such zones with warning signs.
In a later case (Yates v. United States, 1957), the Supreme Court under Chief Justice Earl Warren considerably restricted the applicability of the Smith Act.
Before World War II, air transportation in Japan was considerably restricted, but, since the foundation of Japan Airlines (JAL), commercial air travel to both domestic and international destinations has become commonplace and widespread.
MHD convection by Lorenz force slightly reduced the ohmic resistance between the working and reference electrode, considerably restricted the increase of supersolubility and simultaneously promoted the mass transfer coefficient of the dissolved gas above 50 mA cm−2.
In this case, the class of admissible test forms is considerably restricted, and it is quite difficult to derive a priori estimates.
The impact of headache on social activities assessed by the PedMIDAS questions is shown in Table 3: The number of total/partial absent days from school and of school days on which students were considerably restricted in paying attention in class because of their headache was on average 4.4 days in three months for students with any headache.
This considerably restricts the practical use of PC at the industrial level.
Low chemosensitivity considerably restricts the therapeutic efficacy of gemcitabine (GEM) in pancreatic cancer treatment.
The fact that resources can only flow among business processes considerably restricts activities such as planning, controlling and monitoring.
This disorder may considerably restrict normal daily life and management is extremely difficult when treatment with oral H1 antihistamines and sun avoidance are ineffective.
As a result, the identification of targets is performed in low signal to noise ratio (SNR) conditions, which may considerably restrict the sensitivity of the detection algorithm.
